Fix race condition in changelog. ;)

doc/CHANGES.txt

@@ -4,6 +4,13 @@ Zope Changes
   Change information for previous versions of Zope can be found in the
   file HISTORY.txt.
 
+  After Zope 2.11.0
+
+    Bugs Fixed
+
+      - Launchpad #239636:  Ensure that HEAD requests lock an empty body
+        for NotFound errors.
+
   Zope 2.11.0 (2008/06/15)
 
     Restructuring
@@ -14,9 +21,6 @@ Zope Changes
 
     Bugs Fixed
 
-      - Launchpad #239636:  Ensure that HEAD requests lock an empty body
-        for NotFound errors.
-
       - Launchpad #229549:  Don't ignore 'debug' flag when rendering
         page templates (thanks to Eric Steele for the patch).