chore: changelog

Author: ccharly

packages/keyring-controller/CHANGELOG.md

@@ -9,7 +9,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
-- Add `withController` method for atomically adding and removing keyrings within a single transaction, via a `RestrictedController` object with `addNewKeyring` and `removeKeyring`
+- Add `withController` action to run atomic operations on multiple keyrings (within a single transaction) ([#8416](https://github.com/MetaMask/core/pull/8416))
+  - This action takes a subset of the controllr (a `RestrictedController` object) that exposes `addNewKeyring` and `removeKeyring` methods to add and remove keyring during that transaction call.
 
 ### Changed