Update CHANGELOG.md

Author: morgante

CHANGELOG.md

@@ -22,7 +22,7 @@ project adheres to [Semantic Versioning](http://semver.org/).
 
 [Unreleased]: https://github.com/terraform-google-modules/terraform-google-event-function/compare/v1.0.0...HEAD
 [0.1.0]: https://github.com/terraform-google-modules/terraform-google-event-function/releases/tag/v0.1.0
-[1.0.0]: https://github.com/terraform-google-modules/terraform-google-event-function/releases/tag/v0.1.0...v1.0.0
+[1.0.0]: https://github.com/terraform-google-modules/terraform-google-event-function/compare/v0.1.0...v1.0.0
 
 
 [#23]: https://github.com/terraform-google-modules/terraform-google-event-function/pull/23