Tweak changelog

Author: mirka

packages/components/CHANGELOG.md

@@ -2,9 +2,9 @@
 
 ## Unreleased
 
-## Breaking Changes
+### Breaking Changes
 
--   Validated form controls (private API): Removed `onValidate` prop (use `onChange` to set `customValidity` messages instead) ([#73559](https://github.com/WordPress/gutenberg/pull/73559)).
+-   Validated form controls (private API): Removed `onValidate` prop (use `onChange` to set `customValidity` messages, or add conditionals directly inside the `customValidity` prop instead) ([#73559](https://github.com/WordPress/gutenberg/pull/73559)).
 
 ### Bug Fixes