Apply suggestions from code review

Co-authored-by: CAAshworth <claire.ashworth@digital.cabinet-office.gov.uk>

CHANGELOG.md

@@ -4,9 +4,9 @@
 
 ### Breaking changes
 
-#### Verify your code does not rely on polyfills we have now removed
+#### Verify your code does not rely on removed polyfills
 
-The code of the accessible autocomplete is no longer transpilled and polyfilled to support IE8-10, matching [our previous announcement](https://github.com/alphagov/design-system-team-internal/issues/561).
+Following on from [our previous announcement](https://github.com/alphagov/design-system-team-internal/issues/561), the accessible autocomplete code is no longer transpiled and polyfilled to support IE8-10.
 
 However, because the polyfills create or extend global objects, you might have other code in your service unintentionally relying on the inclusion of these polyfills. You might need to introduce your own polyfills or rewrite your JavaScript to avoid using the polyfilled features.