Update CHANGELOG.md text from source #4

CHANGELOG.md

@@ -2,10 +2,10 @@
 
 All notable changes to this project will be documented in this file.
 
-The format is inspired from [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
-and the versioning aim to respect [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
+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).
 
-Here is a template for new release sections:
+Template:
 ```
 ## [0.0.0] - Release - Name of Release - 20YY-MM-DD
 
@@ -18,7 +18,7 @@ Here is a template for new release sections:
 ```
 
 
-## Current
+## [Unreleased]
 
 ### Added
 - [LICENSE](https://github.com/rl-institut/super-repo/blob/main/LICENSE)