Update CHANGELOG.md

Co-authored-by: Philip Durbin <philip_durbin@harvard.edu>

Author: ChengShi-1

CHANGELOG.md

@@ -16,7 +16,7 @@ This changelog follows the principles of [Keep a Changelog](https://keepachangel
 - New Use Case: [Get a Template](./docs/useCases.md#get-a-template) under Templates.
 - New Use Case: [Delete a Template](./docs/useCases.md#delete-a-template) under Templates.
 - New Use Case: [Update Terms of Access](./docs/useCases.md#update-terms-of-access).
-- DatasetType: Updated datasetType data model. Added two more fields Description and DisplayName.
+- DatasetType: Updated datasetType data model. Added two more fields: description and displayName.
 
 ### Changed