[PATCH] bookmark: improve ambiguous documentation for rename

[timeless at mozdev.org]

# HG changeset patch
# User timeless at mozdev.org
# Date 1441380638 14400
#      Fri Sep 04 11:30:38 2015 -0400
# Node ID c23d6d95c8dd216013d5628ef5e2ba486da84034
# Parent  7187f6e923d55cf6b7e6910d24645f303db671ee
bookmark: improve ambiguous documentation for rename

diff --git a/mercurial/commands.py b/mercurial/commands.py
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -875,7 +875,7 @@
     [('f', 'force', False, _('force')),
     ('r', 'rev', '', _('revision'), _('REV')),
     ('d', 'delete', False, _('delete a given bookmark')),
-    ('m', 'rename', '', _('rename a given bookmark'), _('NAME')),
+    ('m', 'rename', '', _('rename a given bookmark'), _('OLD')),
     ('i', 'inactive', False, _('mark a bookmark inactive')),
     ] + formatteropts,
     _('hg bookmarks [OPTIONS]... [NAME]...'))