Changelog edit

Author: samiff

projects/plugins/jetpack-mu-wpcom/CHANGELOG.md

@@ -1,6 +1,9 @@
 # Changelog
 
-### This is a list detailing changes for all jetpack-mu-wpcom releases.
+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).
 
 ## 0.1.0 - 2022-12-13