diff --git a/NEWS b/NEWS
index d9730e0839..cc4ef7a674 100644
--- a/NEWS
+++ b/NEWS
@@ -201,6 +201,7 @@ with all sufficient information, see the ChangeLog file or Redmine
 * Set
   * Add Set#to_s as alias to #inspect [Feature #13676]
   * Add Set#=== as alias to #include? [Feature #13801]
+  * Add Set#reset [Feature #6589]
 
 * WEBrick