fix a typo [ci skip]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53846 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-02-16 12:25:54 +00:00 · 2016-02-16 12:25:54 +00:00 · cee9c58ef2
--- a/2
+++ b/2
@ -18,7 +18,7 @@ with all sufficient information, see the ChangeLog file or Redmine

 * Dir

-  * Dir#empty?.  [Feature #10121]
+  * Dir.empty?.  [Feature #10121]

 === Stdlib updates (outstanding ones only)