--- a/mercurial/commands.py	Sat Jul 26 03:35:42 2014 +0200
+++ b/mercurial/commands.py	Mon Jul 28 10:05:17 2014 +0200
@@ -3108,6 +3108,9 @@
 
           hg log --debug -r .
 
+    See :hg:`help revisions` and :hg:`help revsets` for more about
+    specifying revisions.
+
     Returns 0 on successful completion.
     '''