format changelog

Author: imabhichow

CHANGELOG.rst

@@ -8,7 +8,9 @@ Changelog
 Maintenance
 -----------
 * deps: Extend supported `MPL`_ versions to include v1.11.0
-    * v1.11.0 contains performance improvements for the hierarchical keyring and extends the range of supported `cryptography` versions.
+  `#763 <https://github.com/aws/aws-encryption-sdk-python/pull/763>`_
+
+  MPL v1.11.0 contains performance improvements for the hierarchical keyring and extends the range of supported `cryptography` versions.
 
 4.0.1 -- 2025-03-26
 ===================