diff -r fffc7416e579 -r d69245af4dbe mercurial/commands.py
--- a/mercurial/commands.py	Mon Oct 05 07:11:48 2015 +0200
+++ b/mercurial/commands.py	Mon Oct 05 07:13:35 2015 +0200
@@ -5573,6 +5573,9 @@
 
     See :hg:`help dates` for a list of formats valid for -d/--date.
 
+    See :hg:`help backout` for a way to reverse the effect of an
+    earlier changeset.
+
     Returns 0 on success.
     """