diff -r 13272104bb07 -r 832f40d2af53 hgext/rebase.py
--- a/hgext/rebase.py	Sun Oct 04 22:35:36 2015 +0900
+++ b/hgext/rebase.py	Tue Oct 06 15:05:40 2015 -0400
@@ -217,8 +217,9 @@
         keepopen = opts.get('keepopen', False)
 
         if opts.get('interactive'):
+            help = "hg help histedit"
             msg = _("interactive history editing is supported by the "
-                    "'histedit' extension (see \"hg help histedit\")")
+                    "'histedit' extension (see \"%s\")") % help
             raise util.Abort(msg)
 
         if collapsemsg and not collapsef: