diff --git a/CHANGES.rst b/CHANGES.rst
index 8927ad0..240d7e4 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -7,7 +7,8 @@ Here you can see the full list of changes between each SQLAlchemy-Utils release.
 0.23.1 (2014-01-14)
 ^^^^^^^^^^^^^^^^^^^
 
-- Added support for membership operators 'in' and 'not in' for range types
+- Added support for membership operators 'in' and 'not in' in range types
+- Added support for contains and contained_by operators in range types
 - Added range types to main module import