CHANGELOG.md

Author: pierrepetersmeier

CHANGELOG.md

@@ -6,7 +6,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased/Snapshot]
 
-### Added 
+### Added
+-Added weathersource documentation [#1390](https://github.com/ie3-institute/PowerSystemDataModel/issues/1390)
 
 ### Fixed