diff --git a/ChangeLog b/ChangeLog
index 931070235..f6f79b06b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2005-07-11  Carl Worth  <cworth@cworth.org>
+
+	* ROADMAP: Note that the cairo_content_t work is done.
+
+	* src/cairo-arc.c (_arc_segments_needed): Note that this function
+	is computing an incorrect result.
+
 2005-07-08  Carl Worth  <cworth@cworth.org>
 
 	* src/cairo.h: Give enum tags an underscore prefix to match the
diff --git a/ROADMAP b/ROADMAP
index 385463e8f..ca0caa4e0 100644
--- a/ROADMAP
+++ b/ROADMAP
@@ -73,11 +73,11 @@ API Issues (more detail in TODO file)
 		    based on it
 	Status: cworth has sent API proposal to list
 
- A8. cairo_format_t:
+✓A8. cairo_content_t:
         Difficulty: moderate. It's just going through and examining 
                     each use of cairo_format_t, but there are a lot
                     of them.
-        Status: not started, there is a rough plan in TODO
+        Status: Done.
 
  A9. consistent error handling for all objects
 	Difficulty: Easy to implement to get the API right. Hard to test.
diff --git a/src/cairo-arc.c b/src/cairo-arc.c
index d3302cdd5..e653fcda5 100644
--- a/src/cairo-arc.c
+++ b/src/cairo-arc.c
@@ -102,6 +102,8 @@ _arc_max_angle_for_tolerance_normalized (double tolerance)
     return angle;
 }
 
+/* XXX: The computation here if bogus. Correct math (with proof!) is
+ * available in _cairo_pen_vertices_needed. */
 static int
 _arc_segments_needed (double	      angle,
 		      double	      radius,