--- a/mercurial/help/config.txt	Thu Apr 11 14:54:18 2013 +0200
+++ b/mercurial/help/config.txt	Mon Apr 15 01:37:23 2013 +0200
@@ -1494,7 +1494,7 @@
 The websub expressions follow the old interhg extension syntax,
 which in turn imitates the Unix sed replacement syntax::
 
-    pattername = s/SEARCH_REGEX/REPLACE_EXPRESSION/[i]
+    patternname = s/SEARCH_REGEX/REPLACE_EXPRESSION/[i]
 
 You can use any separator other than "/". The final "i" is optional
 and indicates that the search must be case insensitive.