Update CHANGELOG.md

Co-authored-by: Johan Brandhorst-Satzkorn <[email protected]>

CHANGELOG.md

@@ -46,8 +46,8 @@ maintainability of worker queries, and improve DB performance. ([PR](https://git
   ([PR](https://github.com/hashicorp/boundary/pull/5221)).
 * Fix an issue where, when starting a session, the connection limit always displays 0.
   ([PR](https://github.com/hashicorp/boundary/pull/5396)).
-* Fix bug which causes groups in children scope to be filtered out when
-    the scopes are granted access using children keyword.
+* Fix bug which caused the `children` keyword not to apply the appropriate
+  permissions for a number of resources.
     ([PR](https://github.com/hashicorp/boundary/pull/5418)).
 
 ## 0.18.2 (2024/12/12)