diff --git a/CHANGES.rst b/CHANGES.rst
index b05fc3dc5..f4b514252 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -86,6 +86,7 @@ Changes
 
 - Rework ``JobQueue``
 - Introduce ``ConversationHandler``
+- Introduce ``telegram.constants`` - https://github.com/python-telegram-bot/python-telegram-bot/pull/342
 
 **2016-07-12**