diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 47d7a0a83998e1d2b9adab200e84b4e3bddd2b83..d2a128f12f4ecb2f439bded098cf1f7a79a59eac 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -31,7 +31,7 @@ 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
 ~~~~~~~