Update packages/pluggableWidgets/combobox-web/CHANGELOG.md

Co-authored-by: Leonardo <64644634+leonardomendix@users.noreply.github.com>

Author: gjulivan

packages/pluggableWidgets/combobox-web/CHANGELOG.md

@@ -10,7 +10,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 - We fixed an issue where database selection does not trigger when set to empty value from external logic.
 
-### Breaking
+### Breaking changes
 
 - We implement custom editability configuration to support readOnly mode if there are no target attribute for database source. This changes is only affecting editability configuration for Database data source with no stored value.