Fixed changelog

Author: dom-baur

CHANGELOG.md

@@ -9,7 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
-- `formatSwissSocialInsuranceNumber` string utility function
+- `formatSwissSocialInsuranceNumber` swiss standard function
 
 ### Changed