diff --git a/readme.txt b/readme.txt
index 31664862..65618a07 100644
--- a/readme.txt
+++ b/readme.txt
@@ -81,6 +81,8 @@ e.g.
 
 == Changelog ==
 
+[ Specification Change ][ Taxonomy Widget ] Add dropdown mode. 
+
 = 9.99.0 =
 [ Specification Change ] Foce Load JS from footer is abolished.
 [ Fix ] Add a title attribute on  Google Tag Manager (noscript)