docs: update changelog

Author: MrWolfZ

CHANGELOG.md

@@ -5,7 +5,7 @@
 
 #### Breaking Changes
 
-* empty groups and arrays are now always enabled instead of disabled and therefore errors can now be set on empty groups and arrays (note that this is only a minor breaking change and only applies in edge cases and therefore this fix is included in a new minor instead of a new major version), closes [#37](https://github.com/MrWolfZ/ngrx-forms/issues/37)
+* empty groups and arrays are now always enabled instead of disabled and therefore errors can now be set on empty groups and arrays (note that this is only a minor breaking change and only applies in edge cases and therefore this fix is included in a new minor instead of a new major version) ([749c1b5](https://github.com/MrWolfZ/ngrx-forms/commit/749c1b5)), closes [#37](https://github.com/MrWolfZ/ngrx-forms/issues/37)
 
 #### Bugfixes