diff --git a/Xext/saver.c b/Xext/saver.c
index c155e516b..ea352b326 100644
--- a/Xext/saver.c
+++ b/Xext/saver.c
@@ -359,7 +359,7 @@ ScreenSaverFreeSuspend(void *value, XID id)
         screenSaverSuspended = FALSE;
 
         /* The screensaver could be active, since suspending it (by design)
-           doesn't prevent it from being forceably activated */
+           doesn't prevent it from being forcibly activated */
 #ifdef DPMSExtension
         if (screenIsSaved != SCREEN_SAVER_ON && DPMSPowerLevel == DPMSModeOn)
 #else
diff --git a/Xext/xf86bigfont.c b/Xext/xf86bigfont.c
index 2297168e5..fbe69abe7 100644
--- a/Xext/xf86bigfont.c
+++ b/Xext/xf86bigfont.c
@@ -356,7 +356,7 @@ ProcXF86BigfontQueryFont(ClientPtr client)
 
     if (dixLookupFontable(&pFont, stuff->id, client, DixGetAttrAccess) !=
         Success)
-        return BadFont;         /* procotol spec says only error is BadFont */
+        return BadFont;         /* protocol spec says only error is BadFont */
 
     pmax = FONTINKMAX(pFont);
     pmin = FONTINKMIN(pFont);
diff --git a/Xext/xvmc.c b/Xext/xvmc.c
index cc0ca0757..bbdc078d7 100644
--- a/Xext/xvmc.c
+++ b/Xext/xvmc.c
@@ -224,7 +224,7 @@ ProcXvMCCreateContext(ClientPtr client)
         }
     }
 
-    /* adaptor doesn't support this suface_type_id */
+    /* adaptor doesn't support this surface_type_id */
     if (!surface)
         return BadMatch;
 
diff --git a/dix/dispatch.c b/dix/dispatch.c
index aac826958..2b77db41f 100644
--- a/dix/dispatch.c
+++ b/dix/dispatch.c
@@ -3783,7 +3783,7 @@ ProcEstablishConnection(ClientPtr client)
     prefix = (xConnClientPrefix *) ((char *) stuff + sz_xReq);
 
     if (client->swapped && !AllowByteSwappedClients) {
-        reason = "Prohibited client endianess, see the Xserver man page ";
+        reason = "Prohibited client endianness, see the Xserver man page ";
     } else if ((client->req_len << 2) != sz_xReq + sz_xConnClientPrefix +
             pad_to_int32(prefix->nbytesAuthProto) +
             pad_to_int32(prefix->nbytesAuthString))
diff --git a/dix/pixmap.c b/dix/pixmap.c
index 926adad37..f17b6a581 100644
--- a/dix/pixmap.c
+++ b/dix/pixmap.c
@@ -44,7 +44,7 @@ from The Open Group.
 #include "picturestr.h"
 #include "randrstr.h"
 /*
- * Scratch pixmap APIs are provided for source and binary compatability.  In
+ * Scratch pixmap APIs are provided for source and binary compatibility.  In
  * older versions, DIX would store a freed scratch pixmap for future use.  This
  * optimization is not really that impactful on modern systems with decent
  * system heap management and modern CPUs, and it interferes with memory
diff --git a/dix/ptrveloc.c b/dix/ptrveloc.c
index 79765e98b..4e463101c 100644
--- a/dix/ptrveloc.c
+++ b/dix/ptrveloc.c
@@ -861,7 +861,7 @@ PowerProfile(DeviceIntPtr dev,
 {
     double vel_dist;
 
-    acc = (acc - 1.0) * 0.1 + 1.0;     /* without this, acc of 2 is unuseable */
+    acc = (acc - 1.0) * 0.1 + 1.0;     /* without this, acc of 2 is unusable */
 
     if (velocity <= threshold)
         return vel->min_acceleration;
diff --git a/doc/Xinput.xml b/doc/Xinput.xml
index 03ed62fe4..294676b65 100644
--- a/doc/Xinput.xml
+++ b/doc/Xinput.xml
@@ -1013,7 +1013,7 @@ sections describe the contents of these events.
 <title>Device Key Events</title>
 <para>
 <!-- .LP -->
-<function>DeviceKeyPresss</function> events contain all the information that is contained in
+<function>DeviceKeyPress</function> events contain all the information that is contained in
 a core <function>KeyPress</function> event, and also the following additional information:
 </para>
 <para>
diff --git a/doc/Xserver-spec.xml b/doc/Xserver-spec.xml
index 0e334697e..6c9df9f33 100644
--- a/doc/Xserver-spec.xml
+++ b/doc/Xserver-spec.xml
@@ -857,7 +857,7 @@ and RemoveEnabledDevice are in Xserver/os/connection.c.
 <para>
 Similarly, the X server or an extension may need to wait for some timeout.
 Early X releases implemented this functionality using block and wakeup handlers,
-but this has been rewritten to use a general timer facilty, and the
+but this has been rewritten to use a general timer facility, and the
 internal screen saver facilities reimplemented to use Timers.
 These functions are TimerInit, TimerForce, TimerSet, TimerCheck, TimerCancel,
 and TimerFree, as defined in Xserver/include/os.h. A callback function will be called
@@ -1097,7 +1097,7 @@ the current request.
 InsertFakeRequest() must insert the specified number of bytes of data
 into the head of the input buffer for the client.  This may be a
 complete request, or it might be a partial request.  For example,
-NextAvailableCient() will insert a partial request in order to read
+NextAvailableClient() will insert a partial request in order to read
 the initial connection data sent by the client.  The routine returns FALSE
 if memory could not be allocated.  ResetCurrentRequest()
 should "back up" the input buffer so that the currently executing request
diff --git a/exa/exa.c b/exa/exa.c
index 8a61a58e3..a9bf1bf22 100644
--- a/exa/exa.c
+++ b/exa/exa.c
@@ -402,7 +402,7 @@ exaFinishAccess(DrawablePtr pDrawable, int index)
         return;
 
     if (pExaPixmap == NULL)
-        EXA_FatalErrorDebugWithRet(("EXA bug: exaFinishAccesss was called on a non-exa pixmap.\n"),);
+        EXA_FatalErrorDebugWithRet(("EXA bug: exaFinishAccess was called on a non-exa pixmap.\n"),);
 
     /* Handle repeated / nested calls. */
     for (i = 0; i < EXA_NUM_PREPARE_INDICES; i++) {
diff --git a/exa/exa.h b/exa/exa.h
index fba06ca0f..d8229982e 100644
--- a/exa/exa.h
+++ b/exa/exa.h
@@ -585,7 +585,7 @@ typedef struct _ExaDriver {
      * @return TRUE if PrepareAccess() successfully prepared the pixmap for CPU
      * drawing.
      * @return FALSE if PrepareAccess() is unsuccessful and EXA should use
-     * DownloadFromScreen() to migate the pixmap out.
+     * DownloadFromScreen() to mitigate the pixmap out.
      */
     Bool (*PrepareAccess) (PixmapPtr pPix, int index);
 
diff --git a/glamor/glamor_gradient.c b/glamor/glamor_gradient.c
index 7c22ccdb2..6e0ff0a3a 100644
--- a/glamor/glamor_gradient.c
+++ b/glamor/glamor_gradient.c
@@ -205,9 +205,9 @@ _glamor_create_radial_gradient_program(ScreenPtr screen, int stops_count,
      *
      *     The problem is given the two circles of c1 and c2 with the radius of r1 and
      *     r1, we need to calculate the t, which is used to do interpolate with stops,
-     *     using the fomula:
+     *     using the formula:
      *     length((1-t)*c1 + t*c2 - p) = (1-t)*r1 + t*r2
-     *     expand the fomula with xy coond, get the following:
+     *     expand the formula with xy coond, get the following:
      *     sqrt(sqr((1-t)*c1.x + t*c2.x - p.x) + sqr((1-t)*c1.y + t*c2.y - p.y))
      *           = (1-t)r1 + t*r2
      *     <====> At*t- 2Bt + C = 0
@@ -215,7 +215,7 @@ _glamor_create_radial_gradient_program(ScreenPtr screen, int stops_count,
      *           B = (p.x - c1.x)*(c2.x - c1.x) + (p.y - c1.y)*(c2.y - c1.y) + r1*(r2 -r1)
      *           C = sqr(p.x - c1.x) + sqr(p.y - c1.y) - r1*r1
      *
-     *     solve the fomula and we get the result of
+     *     solve the formula and we get the result of
      *     t = (B + sqrt(B*B - A*C)) / A  or
      *     t = (B - sqrt(B*B - A*C)) / A  (quadratic equation have two solutions)
      *
@@ -442,7 +442,7 @@ _glamor_create_linear_gradient_program(ScreenPtr screen, int stops_count,
      *              to make it in the range of [0, (p2d - p1d)].
      *
      *      step 3: compare the percentage to every stop and find the stpos just
-     *              before and after it. Use the interpolation fomula to compute RGBA.
+     *              before and after it. Use the interpolation formula to compute RGBA.
      */
 
 #define gradient_fs_template	\
@@ -598,7 +598,7 @@ _glamor_gradient_convert_trans_matrix(PictTransform *from, float to[3][3],
      * T: The transform matrix.
      * v: point vector in width X height space.
      *
-     * result is OK if we use this fomula. But for every point in width X height space,
+     * result is OK if we use this formula. But for every point in width X height space,
      * we can just use their normalized point vector in shader, namely we can just
      * use the result of A*v in shader. So we have no chance to insert T in A*v.
      * We can just convert v_s = A*T*v to v_s = A*T*inv(A)*A*v, where inv(A) is the
@@ -620,7 +620,7 @@ _glamor_gradient_convert_trans_matrix(PictTransform *from, float to[3][3],
      *       | w*t31    h*t32    t33  |
      *       --                      --
      *
-     * Because GLES2 cannot do trasposed mat by spec, we did transposing inside this function
+     * Because GLES2 cannot do transposed mat by spec, we did transposing inside this function
      * already, and matrix becoming look like this:
      *       --                      --
      *       | t11      w*t21/h  t31*w|
diff --git a/glamor/glamor_largepixmap.c b/glamor/glamor_largepixmap.c
index 334a20cb1..ca88ec456 100644
--- a/glamor/glamor_largepixmap.c
+++ b/glamor/glamor_largepixmap.c
@@ -452,8 +452,8 @@ _glamor_compute_clipped_regions(PixmapPtr pixmap,
      *
      * For the other cases, just need to start
      * from a proper shiftx/shifty, and then increase
-     * y by tile_height each time to walk trhough the
-     * target block and then walk trhough the target
+     * y by tile_height each time to walk through the
+     * target block and then walk through the target
      * at x direction by increate tile_width each time.
      *
      * This way, we can consolidate all the sub blocks
diff --git a/glamor/glamor_render.c b/glamor/glamor_render.c
index 1208b49a7..4718b620f 100644
--- a/glamor/glamor_render.c
+++ b/glamor/glamor_render.c
@@ -102,7 +102,7 @@ glamor_create_composite_fs(glamor_screen_private *glamor_priv, struct shader_key
         "	} \n"
         "	return rel_tex; \n"
         "}\n";
-    /* The texture and the pixmap size is not match eaxctly, so can't sample it directly.
+    /* The texture and the pixmap size is not match exactly, so can't sample it directly.
      * rel_sampler will recalculate the texture coords.*/
     const char *rel_sampler =
         " vec4 rel_sampler_rgba(sampler2D tex_image, vec2 tex, vec4 wh, int repeat)\n"
diff --git a/glamor/glamor_xv.c b/glamor/glamor_xv.c
index 328769ab1..8a0677131 100644
--- a/glamor/glamor_xv.c
+++ b/glamor/glamor_xv.c
@@ -378,7 +378,7 @@ glamor_xv_query_image_attributes(int id,
         size *= *h;
         break;
     case FOURCC_UYVY:
-        /* UYVU is single-plane really, all tranformation is processed inside a shader */
+        /* UYVU is single-plane really, all transformation is processed inside a shader */
         size = ALIGN(*w, 2) * 2;
         if (pitches)
             pitches[0] = size;
diff --git a/glx/glxserver.h b/glx/glxserver.h
index 79f4944d0..88b411899 100644
--- a/glx/glxserver.h
+++ b/glx/glxserver.h
@@ -77,7 +77,7 @@ extern __GLXclientState *glxGetClient(ClientPtr pClient);
 void __glXScreenInitVisuals(__GLXscreen * screen);
 
 /*
-** The last context used (from the server's persective) is cached.
+** The last context used (from the server's perspective) is cached.
 */
 extern __GLXcontext *__glXForceCurrent(__GLXclientState *, GLXContextTag,
                                        int *);
diff --git a/hw/kdrive/ephyr/ephyr.c b/hw/kdrive/ephyr/ephyr.c
index 9a0e0cbb6..2e27b4223 100644
--- a/hw/kdrive/ephyr/ephyr.c
+++ b/hw/kdrive/ephyr/ephyr.c
@@ -242,7 +242,7 @@ ephyrMapFramebuffer(KdScreenInfo * screen)
         /* Rotated/Reflected so we need to use shadow fb */
         scrpriv->shadow = TRUE;
 
-        EPHYR_LOG("allocing shadow");
+        EPHYR_LOG("allocating shadow");
 
         KdShadowFbAlloc(screen,
                         scrpriv->randr & (RR_Rotate_90 | RR_Rotate_270));
diff --git a/hw/kdrive/src/kinput.c b/hw/kdrive/src/kinput.c
index a9c657a12..f2ef1d14c 100644
--- a/hw/kdrive/src/kinput.c
+++ b/hw/kdrive/src/kinput.c
@@ -1193,7 +1193,7 @@ KdCloseInput(void)
  *	v1  -> (hold) (settimeout) button_1_pend
  *	^1  -> (deliver) start
  *	v2  -> (deliver) button_2_down
- *	^2  -> (deliever) start
+ *	^2  -> (deliver) start
  *	v3  -> (hold) (settimeout) button_3_pend
  *	^3  -> (deliver) start
  *	vo  -> (deliver) start
diff --git a/hw/xfree86/common/xf86Init.c b/hw/xfree86/common/xf86Init.c
index 84d67d401..ff3fa8973 100644
--- a/hw/xfree86/common/xf86Init.c
+++ b/hw/xfree86/common/xf86Init.c
@@ -444,7 +444,7 @@ InitOutput(ScreenInfo * pScreenInfo, int argc, char **argv)
         xf86PostProbe();
 
         /*
-         * Sort the drivers to match the requested ording.  Using a slow
+         * Sort the drivers to match the requested ordering.  Using a slow
          * bubble sort.
          */
         for (j = 0; j < xf86NumScreens - 1; j++) {
diff --git a/hw/xfree86/common/xf86Module.h b/hw/xfree86/common/xf86Module.h
index 6d96f985d..044aa5781 100644
--- a/hw/xfree86/common/xf86Module.h
+++ b/hw/xfree86/common/xf86Module.h
@@ -134,7 +134,7 @@ typedef struct {
  */
 typedef struct {
     CARD8 majorversion;         /* module-specific major version */
-    CARD8 minorversion;         /* moudle-specific minor version */
+    CARD8 minorversion;         /* module-specific minor version */
     CARD16 patchlevel;          /* module-specific patch level */
     const char *abiclass;       /* ABI class that the module uses */
     CARD32 abiversion;          /* ABI version */
diff --git a/hw/xfree86/common/xf86PciInfo.h b/hw/xfree86/common/xf86PciInfo.h
index 0f5430868..00873e9bf 100644
--- a/hw/xfree86/common/xf86PciInfo.h
+++ b/hw/xfree86/common/xf86PciInfo.h
@@ -362,7 +362,7 @@
 /* ASPEED Technology (AST) */
 #define PCI_CHIP_AST2000		0x2000
 
-/* Avance Logic */
+/* Advance Logic */
 #define PCI_CHIP_ALG2064		0x2064
 #define PCI_CHIP_ALG2301		0x2301
 #define PCI_CHIP_ALG2501		0x2501
diff --git a/hw/xfree86/ddc/print_edid.c b/hw/xfree86/ddc/print_edid.c
index f5215bd1c..953ccbbac 100644
--- a/hw/xfree86/ddc/print_edid.c
+++ b/hw/xfree86/ddc/print_edid.c
@@ -367,7 +367,7 @@ print_detailed_timings(int scrnIndex, struct detailed_timings *t)
     }
 }
 
-/* This function handle all detailed patchs,
+/* This function handles all detailed patches,
  * including EDID and EDID-extension
  */
 struct det_print_parameter {
diff --git a/hw/xfree86/doc/README.modes b/hw/xfree86/doc/README.modes
index ec9e53cf6..196e17f74 100644
--- a/hw/xfree86/doc/README.modes
+++ b/hw/xfree86/doc/README.modes
@@ -134,7 +134,7 @@ enable as much hardware as possible using some fairly simple heuristics.
 
 The 'canGrow' parameter indicates that the frame buffer does not have a fixed
 size. When the frame buffer has a fixed size, the configuration selects a
-'reasonablely large' frame buffer so that common reconfiguration options are
+'reasonably large' frame buffer so that common reconfiguration options are
 possible. For resizable frame buffers, the frame buffer is set to the smallest
 size that encloses the desired configuration.
 
diff --git a/hw/xfree86/doc/ddxDesign.xml b/hw/xfree86/doc/ddxDesign.xml
index e17bb941e..fca911d7f 100644
--- a/hw/xfree86/doc/ddxDesign.xml
+++ b/hw/xfree86/doc/ddxDesign.xml
@@ -6843,7 +6843,7 @@ programming the standard VGA registers, and for handling VGA colourmaps.
       non-default <structfield>MapPhys</structfield> or <structfield>MapSize</structfield>
       settings (the physical location and size of the VGA memory window)
       then those fields of the <structname>vgaHWRec</structname> must be initialised
-      before calling this function.  Otherwise, this function initialiases
+      before calling this function.  Otherwise, this function initialises
       the default values of <constant>0xA0000</constant> for
       <structfield>MapPhys</structfield> and <code>(64&nbsp;*&nbsp;1024)</code> for
       <structfield>MapSize</structfield>.  This function must be called before
diff --git a/hw/xfree86/dri/dristruct.h b/hw/xfree86/dri/dristruct.h
index 9f944a793..b4ab8e50e 100644
--- a/hw/xfree86/dri/dristruct.h
+++ b/hw/xfree86/dri/dristruct.h
@@ -81,7 +81,7 @@ typedef struct _DRIScreenPrivRec {
     DRIContextPrivPtr myContextPriv;    /* Pointer to server's private area   */
     DRIContextPrivPtr lastPartial3DContext;     /* last one partially saved  */
     void **hiddenContextStore;  /* hidden X context          */
-    void **partial3DContextStore;       /* parital 3D context        */
+    void **partial3DContextStore;       /* partial 3D context        */
     DRIInfoPtr pDriverInfo;
     int nrWindows;
     int nrWindowsVisible;
diff --git a/hw/xfree86/dri2/dri2.c b/hw/xfree86/dri2/dri2.c
index 3975d40ca..90ad63d65 100644
--- a/hw/xfree86/dri2/dri2.c
+++ b/hw/xfree86/dri2/dri2.c
@@ -1598,7 +1598,7 @@ DRI2ScreenInit(ScreenPtr pScreen, DRI2InfoPtr info)
 #endif
     }
 
-    /* Initialize minor if needed and set to minimum provied by DDX */
+    /* Initialize minor if needed and set to minimum provided by DDX */
     if (!dri2_minor || dri2_minor > cur_minor)
         dri2_minor = cur_minor;
 
diff --git a/hw/xfree86/drivers/modesetting/modesetting.man b/hw/xfree86/drivers/modesetting/modesetting.man
index 26212725c..35ae953c5 100644
--- a/hw/xfree86/drivers/modesetting/modesetting.man
+++ b/hw/xfree86/drivers/modesetting/modesetting.man
@@ -90,7 +90,7 @@ cause some tearing on these displays, but it prevents a permanent or periodic
 slowdown or irritating judder of animations if not all video outputs are running
 synchronized with each other and with the same refresh rate. There is no perfect
 solution apart from perfectly synchronized outputs, but this option may give
-preferrable results if the displays in a multi-display setup mirror or clone
+preferable results if the displays in a multi-display setup mirror or clone
 each other.  The default is
 .B off.
 .TP
diff --git a/hw/xfree86/fbdevhw/fbpriv.h b/hw/xfree86/fbdevhw/fbpriv.h
index 8d224ae02..545433982 100644
--- a/hw/xfree86/fbdevhw/fbpriv.h
+++ b/hw/xfree86/fbdevhw/fbpriv.h
@@ -45,7 +45,7 @@
 #define FB_AUX_TEXT_MDA		0       /* Monochrome text */
 #define FB_AUX_TEXT_CGA		1       /* CGA/EGA/VGA Color text */
 #define FB_AUX_TEXT_S3_MMIO	2       /* S3 MMIO fasttext */
-#define FB_AUX_TEXT_MGA_STEP16	3       /* MGA Millenium I: text, attr, 14 reserved bytes */
+#define FB_AUX_TEXT_MGA_STEP16	3       /* MGA Millennium I: text, attr, 14 reserved bytes */
 #define FB_AUX_TEXT_MGA_STEP8	4       /* other MGAs:      text, attr,  6 reserved bytes */
 
 #define FB_VISUAL_MONO01		0       /* Monochr. 1=Black 0=White */
@@ -71,10 +71,10 @@
 #define FB_ACCEL_SUN_LEO	13      /* Sun leo/zx                   */
 #define FB_ACCEL_IMS_TWINTURBO	14      /* IMS Twin Turbo               */
 #define FB_ACCEL_3DLABS_PERMEDIA2 15    /* 3Dlabs Permedia 2            */
-#define FB_ACCEL_MATROX_MGA2064W 16     /* Matrox MGA2064W (Millenium)  */
+#define FB_ACCEL_MATROX_MGA2064W 16     /* Matrox MGA2064W (Millennium)  */
 #define FB_ACCEL_MATROX_MGA1064SG 17    /* Matrox MGA1064SG (Mystique)  */
-#define FB_ACCEL_MATROX_MGA2164W 18     /* Matrox MGA2164W (Millenium II) */
-#define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */
+#define FB_ACCEL_MATROX_MGA2164W 18     /* Matrox MGA2164W (Millennium II) */
+#define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millennium II) */
 #define FB_ACCEL_MATROX_MGAG100	20      /* Matrox G100 (Productiva G100) */
 #define FB_ACCEL_MATROX_MGAG200	21      /* Matrox G200 (Myst, Mill, ...) */
 #define FB_ACCEL_SUN_CG14	22      /* Sun cgfourteen                */
diff --git a/hw/xfree86/i2c/xf86i2c.c b/hw/xfree86/i2c/xf86i2c.c
index 3c295b6dd..6922f5efd 100644
--- a/hw/xfree86/i2c/xf86i2c.c
+++ b/hw/xfree86/i2c/xf86i2c.c
@@ -69,7 +69,7 @@ I2CUDelay(I2CBusPtr b, int usec)
  * ================================================================
  *
  * It is assumed that there is just one master on the I2C bus, therefore
- * there is no explicit test for conflits.
+ * there is no explicit test for conflicts.
  */
 
 #define RISEFALLTIME 2          /* usec, actually 300 to 1000 ns according to the i2c specs */
diff --git a/hw/xfree86/ramdac/xf86CursorRD.c b/hw/xfree86/ramdac/xf86CursorRD.c
index d423ad204..e74fdc94a 100644
--- a/hw/xfree86/ramdac/xf86CursorRD.c
+++ b/hw/xfree86/ramdac/xf86CursorRD.c
@@ -489,7 +489,7 @@ xf86DestroyCursorInfoRec(xf86CursorInfoPtr infoPtr)
 }
 
 /**
- * New cursor has been created. Do your initalizations here.
+ * New cursor has been created. Do your initializations here.
  */
 static Bool
 xf86DeviceCursorInitialize(DeviceIntPtr pDev, ScreenPtr pScreen)
diff --git a/hw/xfree86/vgahw/vgaHW.c b/hw/xfree86/vgahw/vgaHW.c
index 215bc93f9..6e34d92f8 100644
--- a/hw/xfree86/vgahw/vgaHW.c
+++ b/hw/xfree86/vgahw/vgaHW.c
@@ -356,7 +356,7 @@ vgaHWSetStdFuncs(vgaHWPtr hwp)
 /*
  * MMIO versions of the register access functions.  These require
  * hwp->MemBase to be set in such a way that when the standard VGA port
- * adderss is added the correct memory address results.
+ * address is added the correct memory address results.
  */
 
 #define minb(p) MMIO_IN8(hwp->MMIOBase, (hwp->MMIOOffset + (p)))
diff --git a/hw/xfree86/x86emu/decode.c b/hw/xfree86/x86emu/decode.c
index 6e4013ecc..d2c0129e6 100644
--- a/hw/xfree86/x86emu/decode.c
+++ b/hw/xfree86/x86emu/decode.c
@@ -33,7 +33,7 @@
 * Developer:    Kendall Bennett
 *
 * Description:  This file includes subroutines which are related to
-*				instruction decoding and accessess of immediate data via IP.  etc.
+*				instruction decoding and accesses of immediate data via IP.  etc.
 *
 ****************************************************************************/
 
@@ -45,7 +45,7 @@
 
 /****************************************************************************
 REMARKS:
-Handles any pending asychronous interrupts.
+Handles any pending asynchronous interrupts.
 ****************************************************************************/
 static void
 x86emu_intr_handle(void)
@@ -248,7 +248,7 @@ no segment override. Address modes such as -3[BP] or 10[BP+SI] all refer to
 addresses relative to SS (ie: on the stack). So, at the minimum, all
 decodings of addressing modes would have to set/clear a bit describing
 whether the access is relative to DS or SS.  That is the function of the
-cpu-state-varible M.x86.mode. There are several potential states:
+cpu-state-variable M.x86.mode. There are several potential states:
 
 	repe prefix seen  (handled elsewhere)
 	repne prefix seen  (ditto)
diff --git a/hw/xfree86/x86emu/ops.c b/hw/xfree86/x86emu/ops.c
index 4983382bc..6b19ee4e7 100644
--- a/hw/xfree86/x86emu/ops.c
+++ b/hw/xfree86/x86emu/ops.c
@@ -10028,7 +10028,7 @@ x86emuOp_xlat(u8 X86EMU_UNUSED(op1))
     END_OF_INSTR();
 }
 
-/* instuctions  D8 .. DF are in i87_ops.c */
+/* instructions  D8 .. DF are in i87_ops.c */
 
 /****************************************************************************
 REMARKS:
diff --git a/hw/xfree86/x86emu/x86emu.h b/hw/xfree86/x86emu/x86emu.h
index 501dd913c..ccb057c32 100644
--- a/hw/xfree86/x86emu/x86emu.h
+++ b/hw/xfree86/x86emu/x86emu.h
@@ -65,7 +65,7 @@ Data structure containing ponters to programmed I/O functions used by the
 emulator. This is used so that the user program can hook all programmed
 I/O for the emulator to handled as necessary by the user program. By
 default the emulator contains simple functions that do not do access the
-hardware in any way. To allow the emualtor access the hardware, you will
+hardware in any way. To allow the emulator access the hardware, you will
 need to override the programmed I/O functions using the X86EMU_setupPioFuncs
 function.
 
diff --git a/hw/xfree86/xorgconf.cpp b/hw/xfree86/xorgconf.cpp
index 4cf677f36..342a3ee90 100644
--- a/hw/xfree86/xorgconf.cpp
+++ b/hw/xfree86/xorgconf.cpp
@@ -395,7 +395,7 @@ Section "Device"
 # section can only match up with the primary video device.  For PCI
 # devices a line like the following could be used.  This line should not
 # normally be included unless there is more than one video device
-# intalled.
+# installed.
 
 #    BusID	"PCI:0:10:0"
 
diff --git a/hw/xquartz/GL/glcontextmodes.c b/hw/xquartz/GL/glcontextmodes.c
index 64a1ac7c4..ddfaa05eb 100644
--- a/hw/xquartz/GL/glcontextmodes.c
+++ b/hw/xquartz/GL/glcontextmodes.c
@@ -419,7 +419,7 @@ _gl_get_context_mode_data(const __GLcontextModes *mode, int attribute,
  *          structure in libGL is the same, then the meaning of each byte in
  *          the structure is the same in both places.  \b Be \b careful!
  *          Basically this means that fields have to be added in libGL and
- *          then propagated to drivers.  Drivers should \b never arbitrarilly
+ *          then propagated to drivers.  Drivers should \b never arbitrarily
  *          extend the \c __GLcontextModes data-structure.
  */
 __GLcontextModes *
diff --git a/hw/xquartz/X11Controller.m b/hw/xquartz/X11Controller.m
index e21aed0d3..32a3b48b0 100644
--- a/hw/xquartz/X11Controller.m
+++ b/hw/xquartz/X11Controller.m
@@ -59,7 +59,7 @@ extern char *bundle_id_prefix;
 
 @interface X11Controller ()
 #ifdef XQUARTZ_SPARKLE
-@property (nonatomic, readwrite, strong) NSMenuItem *check_for_updates_item; // Programatically enabled
+@property (nonatomic, readwrite, strong) NSMenuItem *check_for_updates_item; // Programmatically enabled
 #endif
 
 @property (nonatomic, readwrite, strong) NSArray <NSArray <NSString *> *> *apps;
diff --git a/hw/xquartz/darwinEvents.c b/hw/xquartz/darwinEvents.c
index fd87e968b..b068cd3d4 100644
--- a/hw/xquartz/darwinEvents.c
+++ b/hw/xquartz/darwinEvents.c
@@ -199,7 +199,7 @@ DarwinUpdateModifiers(int pressed,                    // KeyPress or KeyRelease
         }
 }
 
-/* Generic handler for Xquartz-specifc events.  When possible, these should
+/* Generic handler for Xquartz-specific events.  When possible, these should
    be moved into their own individual functions and set as handlers using
    mieqSetHandler. */
 
diff --git a/hw/xquartz/mach-startup/bundle_trampoline.c b/hw/xquartz/mach-startup/bundle_trampoline.c
index f8611269b..89d409313 100644
--- a/hw/xquartz/mach-startup/bundle_trampoline.c
+++ b/hw/xquartz/mach-startup/bundle_trampoline.c
@@ -35,7 +35,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 
-/* We wnt XQuartz.app to inherit a login shell environment.  This is handled by the X11.sh
+/* We want XQuartz.app to inherit a login shell environment.  This is handled by the X11.sh
  * script which re-execs the main binary from a login shell environment.  However, recent
  * versions of macOS require that the main executable of an app be Mach-O for full system
  * fidelity.
@@ -43,7 +43,7 @@
  * Failure to do so results in two problems:
  *    1) bash is seen as the responsible executable for Security & Privacy, and the user doesn't
  *       get prompted to allow filesystem access (https://github.com/XQuartz/XQuartz/issues/6).
- *    2) The process is launched under Rosetta for compatability, which results in
+ *    2) The process is launched under Rosetta for compatibility, which results in
  *       the subsequent spawn of the real executable under Rosetta rather than natively.
  *
  * This trampoline provides the mach-o needed by LaunchServices and TCC to satisfy those
diff --git a/hw/xquartz/quartz.c b/hw/xquartz/quartz.c
index 38f5dbcdd..aa72454c3 100644
--- a/hw/xquartz/quartz.c
+++ b/hw/xquartz/quartz.c
@@ -73,7 +73,7 @@
 
 // These are vended by the Objective-C runtime, but they are unfortunately
 // not available as API in the macOS SDK.  We are following suit with swift
-// and clang in declaring them inline here.  They canot be removed or changed
+// and clang in declaring them inline here.  They cannot be removed or changed
 // in the OS without major bincompat ramifications.
 //
 // These were added in macOS 10.7.
diff --git a/hw/xquartz/xpr/appledri.h b/hw/xquartz/xpr/appledri.h
index a96c96fc8..98991fcf5 100644
--- a/hw/xquartz/xpr/appledri.h
+++ b/hw/xquartz/xpr/appledri.h
@@ -75,7 +75,7 @@
 typedef struct {
     int type;               /* of event */
     unsigned long serial;   /* # of last request processed by server */
-    Bool send_event;        /* true if this came frome a SendEvent request */
+    Bool send_event;        /* true if this came from a SendEvent request */
     Display *display;       /* Display the event was read from */
     Window window;          /* window of event */
     Time time;              /* server timestamp when event happened */
diff --git a/hw/xwayland/man/Xwayland.man b/hw/xwayland/man/Xwayland.man
index 568477de9..ef2db0e85 100644
--- a/hw/xwayland/man/Xwayland.man
+++ b/hw/xwayland/man/Xwayland.man
@@ -90,7 +90,7 @@ Adjust to the scale of the outputs when running rootful in windowing mode.
 This option is not compatible with rootless mode (\fI-rootless\fP).
 .TP 8
 .B \-host-grab
-Disable host keyboard shorcuts and confine the pointer when running rootful.
+Disable host keyboard shortcuts and confine the pointer when running rootful.
 
 This feature relies on the protocol for inhibiting the compositor keyboard
 shortcuts and on the protocol for pointer locking and confinement and may
diff --git a/hw/xwayland/xwayland-drm-lease.c b/hw/xwayland/xwayland-drm-lease.c
index 224ad4c73..b636f4942 100644
--- a/hw/xwayland/xwayland-drm-lease.c
+++ b/hw/xwayland/xwayland-drm-lease.c
@@ -247,7 +247,7 @@ xwl_get_rrmodes_from_connector_id(int drm, int32_t connector_id, int *nmode, int
         return NULL;
     }
 
-    /* This spaghetti brought to you courtesey of xf86RandrR12.c
+    /* This spaghetti brought to you courtesy of xf86RandrR12.c
      * It adds preferred modes first, then non-preferred modes */
     for (pref = 1; pref >= 0; pref--) {
         for (i = 0; i < conn->count_modes; ++i) {
diff --git a/hw/xwin/man/XWinrc.man b/hw/xwin/man/XWinrc.man
index bff8f96d6..a112becfc 100644
--- a/hw/xwin/man/XWinrc.man
+++ b/hw/xwin/man/XWinrc.man
@@ -86,7 +86,7 @@ this may be useful if you want no dialogs.
 .br
 .B }
 .br
-This instruction defines a menu and asigns a \fIMenu_Name\fP to it.
+This instruction defines a menu and assigns a \fIMenu_Name\fP to it.
 \fIMenu_Item_Line\fP are lines  of any of the following types:
 .TP 8
 .B SEPARATOR
diff --git a/hw/xwin/winclipboard/xwinclip.man b/hw/xwin/winclipboard/xwinclip.man
index 0f1d2c540..7d1df948c 100644
--- a/hw/xwin/winclipboard/xwinclip.man
+++ b/hw/xwin/winclipboard/xwinclip.man
@@ -10,7 +10,7 @@ xwinclip - An X11 and Windows clipboard integration tool
 
 \fIxwinclip\fP watches for updates to either clipboard and copies data between them when either one is updated.
 
-\fIxwinclip\fP monitors the X PRIMARY and CLIBPOARD selections for changes in ownership, and makes
+\fIxwinclip\fP monitors the X PRIMARY and CLIPBOARD selections for changes in ownership, and makes
 the contents of the most recent one to change available to paste from the Windows clipboard.
 
 It also monitors the contents of the Windows clipboard for changes, taking ownership of the PRIMARY and
diff --git a/hw/xwin/wincreatewnd.c b/hw/xwin/wincreatewnd.c
index e3238ae76..94decc04f 100644
--- a/hw/xwin/wincreatewnd.c
+++ b/hw/xwin/wincreatewnd.c
@@ -360,7 +360,7 @@ winCreateBoundingWindowWindowed(ScreenPtr pScreen)
      * size of the window area minus the space the caption, borders, and
      * scrollbars (if any) occupy, and the range is the size of the
      * underlying X visual.  Notice that, contrary to what some of the
-     * MSDN Library arcticles lead you to believe, the windows
+     * MSDN Library articles lead you to believe, the windows
      * ``client area'' size does not include the scrollbars.  In other words,
      * the whole client area size that is reported to you is drawable by
      * you; you do not have to subtract the size of the scrollbars from
diff --git a/hw/xwin/winmultiwindowwndproc.c b/hw/xwin/winmultiwindowwndproc.c
index 178ced896..12d0c9460 100644
--- a/hw/xwin/winmultiwindowwndproc.c
+++ b/hw/xwin/winmultiwindowwndproc.c
@@ -1235,7 +1235,7 @@ winTopLevelWindowProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
 
     ret = DefWindowProc(hwnd, message, wParam, lParam);
     /*
-     * If the window was minized we get the stack change before the window is restored
+     * If the window was minimized we get the stack change before the window is restored
      * and so it gets lost. Ensure there stacking order is correct.
      */
     if (needRestack)
diff --git a/hw/xwin/winshadddnl.c b/hw/xwin/winshadddnl.c
index 2884134b4..2e6830764 100644
--- a/hw/xwin/winshadddnl.c
+++ b/hw/xwin/winshadddnl.c
@@ -163,7 +163,7 @@ winReleasePrimarySurfaceShadowDDNL(ScreenPtr pScreen)
     if (pScreenPriv->pddsPrimary4) {
         /*
          * Detach the clipper from the primary surface.
-         * NOTE: We do this explicity for clarity.  The Clipper is not released.
+         * NOTE: We do this explicitly for clarity.  The Clipper is not released.
          */
         IDirectDrawSurface4_SetClipper(pScreenPriv->pddsPrimary4, NULL);
 
diff --git a/hw/xwin/winshadgdi.c b/hw/xwin/winshadgdi.c
index 560b50cf9..58b3b9aa5 100644
--- a/hw/xwin/winshadgdi.c
+++ b/hw/xwin/winshadgdi.c
@@ -157,7 +157,7 @@ winQueryRGBBitsAndMasks(ScreenPtr pScreen)
     /* Color masks for 8 bpp are standardized */
     if (GetDeviceCaps(pScreenPriv->hdcScreen, RASTERCAPS) & RC_PALETTE) {
         /*
-         * RGB BPP for 8 bit palletes is always 8
+         * RGB BPP for 8 bit palettes is always 8
          * and the color masks are always 0.
          */
         pScreenPriv->dwBitsPerRGB = 8;
@@ -927,7 +927,7 @@ winBltExposedWindowRegionShadowGDI(ScreenPtr pScreen, WindowPtr pWin)
 }
 
 /*
- * Do any engine-specific appliation-activation processing
+ * Do any engine-specific application-activation processing
  */
 
 static Bool
diff --git a/include/property.h b/include/property.h
index 6ee8a8398..f4cbdb1af 100644
--- a/include/property.h
+++ b/include/property.h
@@ -61,7 +61,7 @@ extern CallbackListPtr PropertyStateCallback;
 
 extern _X_EXPORT int dixLookupProperty(PropertyPtr * /*result */ ,
                                        WindowPtr /*pWin */ ,
-                                       Atom /*proprty */ ,
+                                       Atom /*property */ ,
                                        ClientPtr /*pClient */ ,
                                        Mask /*access_mode */ );
 
diff --git a/include/xserver-properties.h b/include/xserver-properties.h
index bf48fabe5..5cf43ec63 100644
--- a/include/xserver-properties.h
+++ b/include/xserver-properties.h
@@ -13,7 +13,7 @@
  * Software.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTIBILITY,
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
  * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES, OR OTHER LIABILITY, WHETHER
  * IN AN ACTION OF CONTRACT, TORT, OR OTHERWISE, ARISING FROM, OUT OF OR IN
diff --git a/man/Xserver.man b/man/Xserver.man
index 81f385463..0a6dc91d2 100644
--- a/man/Xserver.man
+++ b/man/Xserver.man
@@ -125,11 +125,11 @@ This is the default unless \-retro or \-wr is specified.
 disables backing store support on all screens.
 .TP 8
 .B +byteswappedclients
-Allow connections from clients with an endianess different to that of the
+Allow connections from clients with an endianness different to that of the
 server.
 .TP 8
 .B \-byteswappedclients
-Prohibit connections from clients with an endianess different to that of the
+Prohibit connections from clients with an endianness different to that of the
 server.
 This is the default unless \fB+byteswappedclients\fP is specified.
 .TP 8
diff --git a/mi/miarc.c b/mi/miarc.c
index 3a0ecc446..6ca604583 100644
--- a/mi/miarc.c
+++ b/mi/miarc.c
@@ -1155,7 +1155,7 @@ GetFPolyYBounds(SppPointPtr pts, int n, double yFtrans, int *by, int *ty)
  *	edge list and a right edge list.  The algorithm used
  *	to traverse each edge is digital differencing analyzer
  *	line algorithm with y as the major axis. There's some funny linear
- *	interpolation involved because of the subpixel postioning.
+ *	interpolation involved because of the subpixel positioning.
  */
 static void
 miFillSppPoly(DrawablePtr dst, GCPtr pgc, int count,    /* number of points */
diff --git a/miext/rootless/rootless.h b/miext/rootless/rootless.h
index b375731bf..a843e077b 100644
--- a/miext/rootless/rootless.h
+++ b/miext/rootless/rootless.h
@@ -205,7 +205,7 @@ typedef void (*RootlessStopDrawingProc)
  *  Drawing is stopped before this is called.
  *
  *  wid         Frame id
- *  pDamage     Region containing all the changed pixels in frame-lcoal
+ *  pDamage     Region containing all the changed pixels in frame-local
  *              coordinates. This is clipped to the window's clip.
  */
 typedef void (*RootlessUpdateRegionProc)
diff --git a/os/connection.c b/os/connection.c
index 63149bd29..6c4453061 100644
--- a/os/connection.c
+++ b/os/connection.c
@@ -882,7 +882,7 @@ OnlyListenToOneClient(ClientPtr client)
 
 /****************
  * ListenToAllClients:
- *    Undoes OnlyListentToOneClient()
+ *    Undoes OnlyListenToOneClient()
  ****************/
 
 void
diff --git a/os/utils.c b/os/utils.c
index 090af37c0..cca1e8491 100644
--- a/os/utils.c
+++ b/os/utils.c
@@ -518,8 +518,8 @@ UseMsg(void)
     ErrorF("-br                    create root window with black background\n");
     ErrorF("+bs                    enable any backing store support\n");
     ErrorF("-bs                    disable any backing store support\n");
-    ErrorF("+byteswappedclients    Allow clients with endianess different to that of the server\n");
-    ErrorF("-byteswappedclients    Prohibit clients with endianess different to that of the server\n");
+    ErrorF("+byteswappedclients    Allow clients with endianness different to that of the server\n");
+    ErrorF("-byteswappedclients    Prohibit clients with endianness different to that of the server\n");
     ErrorF("-c                     turns off key-click\n");
     ErrorF("c #                    key-click volume (0-100)\n");
     ErrorF("-cc int                default color visual class\n");
diff --git a/render/picture.h b/render/picture.h
index c3a73d1d8..1171da366 100644
--- a/render/picture.h
+++ b/render/picture.h
@@ -143,7 +143,7 @@ typedef enum _PictFormatShort {
  *  256		PolicyColor (only on PseudoColor)
  *
  * The actual allocation code lives in miindex.c, and so is
- * austensibly server dependent, but that code does:
+ * ostensibly server dependent, but that code does:
  *
  * PolicyMono	    Allocate no additional colors, use black and white
  * PolicyGray	    Allocate 13 gray levels (11 cells used)
diff --git a/test/input.c b/test/input.c
index ee054a076..e01868b1b 100644
--- a/test/input.c
+++ b/test/input.c
@@ -114,7 +114,7 @@ dix_init_valuators(void)
     assert(axis->scroll.type == SCROLL_TYPE_HORIZONTAL);
     assert(axis->scroll.flags == 0);
 
-    /* can add another non-preffered axis */
+    /* can add another non-preferred axis */
     assert(SetScrollValuator
            (&dev, 1, SCROLL_TYPE_VERTICAL, 5.0, SCROLL_FLAG_NONE) == TRUE);
     assert(SetScrollValuator
@@ -876,7 +876,7 @@ dix_grab_matching(void)
     rc = GrabMatchesSecond(&b, &a, FALSE);
     assert(rc == FALSE);
 
-    /* XIAnyModifier or AnyModifer must succeed */
+    /* XIAnyModifier or AnyModifier must succeed */
     a.grabtype = XI2;
     b.grabtype = XI2;
     a.detail.exact = 1;
diff --git a/test/xi2/protocol-xigetselectedevents.c b/test/xi2/protocol-xigetselectedevents.c
index cca695cca..ed6eaf038 100644
--- a/test/xi2/protocol-xigetselectedevents.c
+++ b/test/xi2/protocol-xigetselectedevents.c
@@ -147,7 +147,7 @@ request_XIGetSelectedEvents(xXIGetSelectedEventsReq * req, int error)
        client->req_len (see above). We previously had to swap it here, so
        that SProcXIPassiveGrabDevice() will swap it back. Since that's gone
        now, still swapping itself would break if this function is called
-       again and writing back a errornously swapped value
+       again and writing back a erroneously swapped value
     */
 
     swapl(&req->win);
diff --git a/test/xi2/protocol-xipassivegrabdevice.c b/test/xi2/protocol-xipassivegrabdevice.c
index e4c2a7711..c66f527b4 100644
--- a/test/xi2/protocol-xipassivegrabdevice.c
+++ b/test/xi2/protocol-xipassivegrabdevice.c
@@ -152,7 +152,7 @@ request_XIPassiveGrabDevice(ClientPtr client, xXIPassiveGrabDeviceReq * req,
        client->req_len (see above). We previously had to swap it here, so
        that SProcXIPassiveGrabDevice() will swap it back. Since that's gone
        now, still swapping itself would break if this function is called
-       again and writing back a errornously swapped value
+       again and writing back a erroneously swapped value
     */
 
     swapl(&req->time);
diff --git a/test/xi2/protocol-xiselectevents.c b/test/xi2/protocol-xiselectevents.c
index 8ce8fc99d..86aa2259d 100644
--- a/test/xi2/protocol-xiselectevents.c
+++ b/test/xi2/protocol-xiselectevents.c
@@ -42,7 +42,7 @@
  * BadValue for num_masks < 0
  * BadWindow for invalid windows
  * BadDevice for non-existing devices
- * BadImplemenation for devices >= 0xFF
+ * BadImplementation for devices >= 0xFF
  * BadValue if HierarchyChanged bit is set for devices other than
  *          XIAllDevices
  * BadValue for invalid mask bits
@@ -116,7 +116,7 @@ request_XISelectEvent(xXISelectEventsReq * req, int error)
        client->req_len (see above). We previously had to swap it here, so
        that SProcXIPassiveGrabDevice() will swap it back. Since that's gone
        now, still swapping itself would break if this function is called
-       again and writing back a errornously swapped value
+       again and writing back a erroneously swapped value
     */
 
     swapl(&req->win);
diff --git a/test/xi2/protocol-xisetclientpointer.c b/test/xi2/protocol-xisetclientpointer.c
index ad5c0ffe9..09727b8b6 100644
--- a/test/xi2/protocol-xisetclientpointer.c
+++ b/test/xi2/protocol-xisetclientpointer.c
@@ -76,7 +76,7 @@ request_XISetClientPointer(xXISetClientPointerReq * req, int error)
        client->req_len (see above). We previously had to swap it here, so
        that SProcXIPassiveGrabDevice() will swap it back. Since that's gone
        now, still swapping itself would break if this function is called
-       again and writing back a errornously swapped value
+       again and writing back a erroneously swapped value
     */
 
     swapl(&req->win);
diff --git a/xkb/XKM_file_format.txt b/xkb/XKM_file_format.txt
index 2a90e4047..ea6fff8fb 100644
--- a/xkb/XKM_file_format.txt
+++ b/xkb/XKM_file_format.txt
@@ -110,7 +110,7 @@ the level names and the section names ("complete", "evdev(inet)", etc.)
 	version:		CARD8
 	identifier1:		'm'
 	identifier2:		'k'
-	idenfifier3:		'x'
+	identifier3:		'x'
 └───
 
 The XKM file format has a 4 byte header identifying the file and the XKM
@@ -183,7 +183,7 @@ modifiers change to a particular level.
 	virt_mods:		CARD16
 	num_map_entries: 	CARD8
 	num_level_names: 	CARD8
-	perserve:	 	CARD8
+	preserve:	 	CARD8
 	pad:			CARD8
 	map_entries:		LISTofXKMKTMapEntry
 	name:			XKMCountedString
diff --git a/xkb/xkbLEDs.c b/xkb/xkbLEDs.c
index 2ddd7a402..b1bd52a37 100644
--- a/xkb/xkbLEDs.c
+++ b/xkb/xkbLEDs.c
@@ -557,7 +557,7 @@ XkbCheckIndicatorMaps(DeviceIntPtr dev, XkbSrvLedInfoPtr sli, unsigned which)
          * 'kf' or 'lf' on the keyboard specified by 'dev.'
          *
          * If 'needed_parts' is non-zero, this function makes sure that any
-         * of the parts speicified therein are allocated.
+         * of the parts specified therein are allocated.
          */
 XkbSrvLedInfoPtr
 XkbAllocSrvLedInfo(DeviceIntPtr dev,