diff -r 5db105f216c3 -r 9658a79968c6 mercurial/subrepo.py
--- a/mercurial/subrepo.py	Tue Apr 01 02:46:03 2014 +0900
+++ b/mercurial/subrepo.py	Tue Apr 01 02:46:03 2014 +0900
@@ -1021,7 +1021,7 @@
     def remove(self):
         if self.dirty():
             self._ui.warn(_('not removing repo %s because '
-                            'it has changes.\n' % self._path))
+                            'it has changes.\n') % self._path)
             return
         self._ui.note(_('removing subrepo %s\n') % self._path)