diff --git a/ChangeLog b/ChangeLog
index 6939931bea..8ee1f7081a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Dec 22 08:56:39 2010  Kazuhiro NISHIYAMA  <zn@mbf.nifty.com>
+
+	* NEWS: add Module#private_constant and Module#public_constant.
+	  [ruby-dev:39685][ruby-core:32698]
+
 Wed Dec 22 07:59:23 2010  Kazuhiro NISHIYAMA  <zn@mbf.nifty.com>
 
 	* NEWS: add IO#advise. [ruby-core:33110] [Ruby 1.9-Feature#4038]
diff --git a/NEWS b/NEWS
index b1bb408c13..44c4bf7dbc 100644
--- a/NEWS
+++ b/NEWS
@@ -54,6 +54,11 @@ with all sufficient information, see the ChangeLog file.
     * Kernel#respond_to? now returns false for protected methods.
     * move #__id__ and #object_id to BasicObject.
 
+  * Module
+    * new methods:
+      * Module#private_constant
+      * Module#public_constant
+
   * String
     * new method:
       * String#prepend