--- a/mercurial/help/config.txt	Sat Aug 16 10:43:59 2014 +0900
+++ b/mercurial/help/config.txt	Sat Aug 16 10:43:59 2014 +0900
@@ -394,7 +394,8 @@
 messages for each actions.
 
 - ``changeset.backout`` for :hg:`backout`
-- ``changeset.commit.amend`` for :hg:`commit --amend`
+- ``changeset.commit.amend.merge`` for :hg:`commit --amend` on merges
+- ``changeset.commit.amend.normal`` for :hg:`commit --amend` on other
 - ``changeset.commit.normal.merge`` for :hg:`commit` on merges
 - ``changeset.commit.normal.normal`` for :hg:`commit` on other
 - ``changeset.fetch`` for :hg:`fetch` (impling merge commit)