chore: Update changelog

Author: angel-devo

CHANGELOG.md

@@ -5,7 +5,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [4.0.1] - 2022-08-26
-### Changed
+### Added
  * Create GitHub action to publish package in PyPI
  * Create GitHub action for running tests after a pull request
  * Added CSV tests