diff -r be0489770925 -r 8688590ca03c mercurial/discovery.py
--- a/mercurial/discovery.py	Fri Oct 09 14:59:37 2015 -0700
+++ b/mercurial/discovery.py	Fri Oct 09 15:37:05 2015 -0700
@@ -309,7 +309,7 @@
             # remove future heads which are actually obsoleted by another
             # pushed element:
             #
-            # XXX as above, There are several cases this case does not handle
+            # XXX as above, There are several cases this code does not handle
             # XXX properly
             #
             # (1) if <nh> is public, it won't be affected by obsolete marker