diff -r c29d3f4ed967 -r ccbd39cad3c3 mercurial/localrepo.py
--- a/mercurial/localrepo.py	Fri Oct 10 15:53:49 2008 +0300
+++ b/mercurial/localrepo.py	Sat Oct 11 13:07:29 2008 +0200
@@ -788,6 +788,11 @@
             del lock, wlock
 
     def commitctx(self, ctx):
+        """Add a new revision to current repository.
+
+        Revision information is passed in the context.memctx argument.
+        commitctx() does not touch the working directory.
+        """
         wlock = lock = None
         try:
             wlock = self.wlock()