difftool: Fix failure on Cygwin

diff --git a/Documentation/git-show-ref.txt b/Documentation/git-show-ref.txt
index 4696af743321d78d9e1d17115d29222f17cb4d55..be0ec189af45e1006134e5607bb76a7b6ad20699 100644 (file)
--- a/Documentation/git-show-ref.txt
+++ b/Documentation/git-show-ref.txt
@@ -84,7 +84,11 @@ OPTIONS
 
 <pattern>...::
 
-       Show references matching one or more patterns.
+       Show references matching one or more patterns. Patterns are matched from
+       the end of the full name, and only complete parts are matched, e.g.
+       'master' matches 'refs/heads/master', 'refs/remotes/origin/master',
+       'refs/tags/jedi/master' but not 'refs/heads/mymaster' nor
+       'refs/remotes/master/jedi'.
 
 OUTPUT
 ------