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

@@ -14,7 +14,7 @@ Additionally, when on a component landing page, such as '/components/header', yo
 
 ### Feature flags middleware
 
-This feature is controlled by the app's feature flag middleware which does two things:
+This feature is controlled by the app's feature flag middleware.
 
 1. Upon making a post request to `/set-rebrand`, which the feature flag form does, the middleware sets a `use_rebrand` cookie and redirects back to the page the user was just on
 2. Sets 3 local variables: