diff --git a/XI2.h b/XI2.h
index 2514d55..e66751c 100644
--- a/XI2.h
+++ b/XI2.h
@@ -201,7 +201,7 @@
 #define XI_RawButtonPress                15
 #define XI_RawButtonRelease              16
 #define XI_RawMotion                     17
-#define XI_TouchBegin                    18 /* XI 2.1 */
+#define XI_TouchBegin                    18 /* XI 2.2 */
 #define XI_TouchEnd                      19
 #define XI_TouchOwnership                20
 #define XI_TouchUpdate                   21