fixing changelog

Author: Vlad Ioffe

CHANGELOG.md

@@ -8,7 +8,7 @@ All notable changes to this project will be documented in this file.
 - Update to Angular 10 ([2030363](https://github.com/vlio20/angular-datepicker/commit/2030363)) closes [#508](https://github.com/vlio20/angular-datepicker/issues/508)
 
 ### Bug Fixes
-- Add debounce on open delay ([abe1cfb](https://github.com/vlio20/angular-datepicker/commit/abe1cfb)) closes [#514](https://github.com/vlio20/angular-datepicker/issues/514)
+- Removing momentJS deep import ([abe1cfb](https://github.com/vlio20/angular-datepicker/commit/abe1cfb)) closes [#514](https://github.com/vlio20/angular-datepicker/issues/514)
 
 <a name="9.0.0"></a>
 # [9.0.0] (2020-03-31)