diff --git a/ChangeLog b/ChangeLog
index 7dea1e23a7..39459bc2c3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Fri Dec  6 10:50:54 2013  SHIBATA Hiroshi  <shibata.hiroshi@gmail.com>
+
+	* lib/webrick/httprequest.rb: [DOC] Fix broken link of CGI specification by @udzura [fix GH-466]
+
 Thu Dec  6 01:27:00 2013  Kenta Murata  <mrkn@mrkn.jp>
 
 	* ext/bigdecimal/bigdecimal.c (GetVpValueWithPrec):
diff --git a/lib/webrick/httprequest.rb b/lib/webrick/httprequest.rb
index 76420730b1..4dfaee99af 100644
--- a/lib/webrick/httprequest.rb
+++ b/lib/webrick/httprequest.rb
@@ -369,7 +369,8 @@ module WEBrick
 
     # This method provides the metavariables defined by the revision 3
     # of "The WWW Common Gateway Interface Version 1.1"
-    # http://Web.Golux.Com/coar/cgi/
+    # To browse the current document of CGI Version 1.1, see below:
+    # http://tools.ietf.org/html/rfc3875
 
     def meta_vars
       meta = Hash.new