fix a typo.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41291 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2013-06-14 00:56:52 +00:00 · 2013-06-14 00:56:52 +00:00 · 5ffd3ca1c3
--- a/2
+++ b/2
@ -2,7 +2,7 @@ Fri Jun 14 09:48:48 2013  Shugo Maeda  <shugo@ruby-lang.org>

 	* NEWS: add notes for $SAFE.

-	* doc/security.rd: remove the description of $SAFE=4.
+	* doc/security.rdoc: remove the description of $SAFE=4.

 Fri Jun 14 00:14:29 2013  Tanaka Akira  <akr@fsij.org>