diff --git a/ChangeLog b/ChangeLog
index bee7f2d11d..6939931bea 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+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]
+
 Tue Dec 21 12:45:16 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* configure.in (target_archs): remove temporary objects.
diff --git a/NEWS b/NEWS
index 19c1d85db4..45fa4dbbaa 100644
--- a/NEWS
+++ b/NEWS
@@ -55,6 +55,8 @@ with all sufficient information, see the ChangeLog file.
   * IO
     * extended methods:
       * IO#putc supports multibyte characters
+    * new methods:
+      * IO#advise
 
   * Array
     * extended methods: