--- a/contrib/zsh_completion	Sun Feb 07 10:58:51 2010 +0100
+++ b/contrib/zsh_completion	Fri Nov 20 14:37:36 2009 +0200
@@ -358,7 +358,7 @@
 _hg_diff_opts=(
   '(--text -a)'{-a,--text}'[treat all files as text]'
   '(--git -g)'{-g,--git}'[use git extended diff format]'
-  "--nodates[don't include dates in diff headers]")
+  "--nodates[omit dates from diff headers]")
 
 _hg_dryrun_opts=(
   '(--dry-run -n)'{-n,--dry-run}'[do not perform actions, just print output]')