--- a/mercurial/commands.py	Sun Mar 04 17:14:30 2012 -0600
+++ b/mercurial/commands.py	Thu Mar 08 15:59:33 2012 -0600
@@ -2908,7 +2908,7 @@
             headless = ', '.join(b for b in branches - haveheads)
             msg = _('no open branch heads found on branches %s')
             if opts.get('rev'):
-                msg += _(' (started at %s)' % opts['rev'])
+                msg += _(' (started at %s)') % opts['rev']
             ui.warn((msg + '\n') % headless)
 
     if not heads:
@@ -3001,7 +3001,7 @@
                 msg = _('use "hg help" for the full list of commands '
                         'or "hg -v" for details')
             elif name and not full:
-                msg = _('use "hg help %s" to show the full help text' % name)
+                msg = _('use "hg help %s" to show the full help text') % name
             elif aliases:
                 msg = _('use "hg -v help%s" to show builtin aliases and '
                         'global options') % (name and " " + name or "")
@@ -4284,7 +4284,7 @@
         try:
             ret = hg.update(repo, checkout)
         except util.Abort, inst:
-            ui.warn(_("not updating: %s\n" % str(inst)))
+            ui.warn(_("not updating: %s\n") % str(inst))
             return 0
         if not ret and not checkout:
             if bookmarks.update(repo, [movemarkfrom], repo['.'].node()):