diff --git a/ChangeLog b/ChangeLog
index eb85509f84..66a1f78a9d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -16,7 +16,7 @@ Tue Sep 27 23:22:31 2016  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 Tue Sep 27 22:59:42 2016  URABE Shyouhei  <shyouhei@ruby-lang.org>
 
-	* NEWS: news about Warning.warning.
+	* NEWS: news about Warning.warn.
 
 Tue Sep 27 18:10:18 2016  Jeremy Evans <code@jeremyevans.net>
 
diff --git a/NEWS b/NEWS
index ceee617377..0c85728b1d 100644
--- a/NEWS
+++ b/NEWS
@@ -120,8 +120,8 @@ with all sufficient information, see the ChangeLog file or Redmine
 * Warning
 
   * New module named Warning is introduced.  By default it has only
-    one singleton method, also named warning.  This makes it possible
-    for 3rd-party libraries to control the way warnings are handled.
+    one singleton method, named warn.  This makes it possible for
+    3rd-party libraries to control the way warnings are handled.
     [Feature #12299]
 
 === Stdlib updates (outstanding ones only)