Update CHANGELOG.md

Author: jdnichollsc

CHANGELOG.md

@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-<!-- TODO: Added new releases in the following format
+<!-- TODO: Add new releases in the following format
 ## [new tag] - tag date
 ### Added 
 for new features.