--- a/hgkw/pretxnkw.py	Tue Dec 19 16:02:27 2006 +0100
+++ b/hgkw/pretxnkw.py	Tue Dec 19 17:22:26 2006 +0100
@@ -4,7 +4,8 @@
 
 def pretxnkw(ui, repo, hooktype, **args):
     '''Collects candidates for keyword expansion on commit
-    and passes them to kwexpander.'''
+    and expands keywords in working dir.
+    NOTE: for use in combination with hgext.keyword!'''
 
     if hooktype != 'pretxncommit':
         # bail out with error