diff -r b39d85be78a8 -r 395ca8cd2669 mercurial/commands.py
--- a/mercurial/commands.py	Tue Sep 20 20:19:48 2011 +0200
+++ b/mercurial/commands.py	Tue Sep 20 20:21:04 2011 +0200
@@ -547,6 +547,8 @@
 
           hg log --graph -r "bisect(range)"
 
+      See :hg:`help revsets` for more about the `bisect()` keyword.
+
     Returns 0 on success.
     """
     def extendbisectrange(nodes, good):