Update CHANGELOG.md

Author: shalvah

CHANGELOG.md

@@ -15,8 +15,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [3.3.0] - Wednesday, 2 January 2019
 ### Added
-- Added ability to replace json key values in response file (https://github.com/mpociot/laravel-apidoc-generator/pull/434)
-- Added support for custom transfer serializers (https://github.com/mpociot/laravel-apidoc-generator/pull/441)
+- Ability to replace json key values in response file (https://github.com/mpociot/laravel-apidoc-generator/pull/434)
+- Support for custom transfer serializers (https://github.com/mpociot/laravel-apidoc-generator/pull/441)
 
 ## [3.2.0] - Wednesday, 12 December 2018
 ### Changed