diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index d2c62aad329fb67614631c7b77230b1a524c98a3..c4b12bbc3de256f1826ce0505d26e9a69cbb3fad 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -55,7 +55,7 @@ Added
 * OpenID Connect scope and accompanying claim ``groups``
 * Support config files in JSON format
 * Allow apps to dynamically generate OAuth scopes
-* Provide a ``ExtensiblePolymorphicModel`` to support the features of extensible models for polymorphic models and vice-versa.
+* Provide an ``ExtensiblePolymorphicModel`` to support the features of extensible models for polymorphic models and vice-versa.
 
 
 Changed