diff --git a/NEWS.rst b/NEWS.rst
index 75d9f4c..0902c66 100644
--- a/NEWS.rst
+++ b/NEWS.rst
@@ -9,7 +9,7 @@ Release History
   the integration into the standard library for Python 3.3)
 
 * The legacy ``ContextStack`` and ``ContextDecorator.refresh_cm`` APIs are
-  no longer documented
+  no longer documented and emit ``DeprecationWarning`` when used
 
 * Python 2.6, 3.2 and 3.3 have been dropped from compatibility testing