Update CHANGELOG.md

Author: aslakhellesoy

CHANGELOG.md

@@ -216,7 +216,7 @@ See also the [CHANGELOG](https://github.com/cucumber/cucumber-jvm/blob/master/CH
 
 <!-- Releases -->
 [Unreleased]: https://github.com/cucumber/cucumber-jvm-scala/compare/v6.6.0...main
-[6.6.0]:  https://github.com/cucumber/cucumber-jvm-scala/compare/v6.3.0...v6.6.0
+[6.6.0]:  https://github.com/cucumber/cucumber-jvm-scala/compare/v6.4.0...v6.6.0
 [6.4.0]:  https://github.com/cucumber/cucumber-jvm-scala/compare/v6.3.0...v6.4.0
 [6.3.0]:  https://github.com/cucumber/cucumber-jvm-scala/compare/v6.2.2...v6.3.0
 [6.2.2]:  https://github.com/cucumber/cucumber-jvm-scala/compare/v6.2.1...v6.2.2