diff -r b5f5dc0fa908 -r d75fde22de91 mercurial/cmdutil.py
--- a/mercurial/cmdutil.py	Thu Jan 24 16:30:30 2019 -0800
+++ b/mercurial/cmdutil.py	Fri Jan 25 09:50:23 2019 -0800
@@ -607,11 +607,9 @@
     return _helpmessage('hg unshelve --continue', 'hg unshelve --abort')
 
 def _graftmsg():
-    # tweakdefaults requires `update` to have a rev hence the `.`
     return _helpmessage('hg graft --continue', 'hg graft --abort')
 
 def _mergemsg():
-    # tweakdefaults requires `update` to have a rev hence the `.`
     return _helpmessage('hg commit', 'hg merge --abort')
 
 def _bisectmsg():