diff -r 544848ef65f2 -r a9abdb168425 mercurial/commands.py
--- a/mercurial/commands.py	Fri Sep 06 13:30:57 2013 +0400
+++ b/mercurial/commands.py	Mon Sep 23 19:02:32 2013 -0700
@@ -4527,6 +4527,8 @@
             ret = hg.update(repo, checkout)
         except util.Abort, inst:
             ui.warn(_("not updating: %s\n") % str(inst))
+            if inst.hint:
+                ui.warn(_("(%s)\n") % inst.hint)
             return 0
         if not ret and not checkout:
             if bookmarks.update(repo, [movemarkfrom], repo['.'].node()):