Update docs/contributing/rebrand-feature-flag.md

Co-authored-by: seaemsi <50173207+seaemsi@users.noreply.github.com>

Author: owenatgov

docs/contributing/rebrand-feature-flag.md

@@ -1,6 +1,8 @@
 # The 'rebrand' feature flag
 
-While we work on the rebrand of GOV.UK Frontend, you can use the feature flag toggling system to help with sharing and visualising changes and testing rebranded components.
+While we work on the rebrand of GOV.UK Frontend, you can use the feature flag toggling system to help with:
+- sharing and visualising changes
+- testing rebranded components
 
 ## How to use the UI