docs: localePrefix: 'never' is useful for domain-based routing too

docs/pages/docs/routing/middleware.mdx

@@ -182,7 +182,7 @@ In this case, requests where the locale prefix matches the default locale will b
 
 #### Never use a locale prefix [#locale-prefix-never]
 
-For applications behind an authentication layer, where there is no need for SEO, it is possible to have the locale never show up in the URL.
+If you're building an app behind an authentication layer, where there is no need for SEO, or you're using [domain-based routing](#domain-based-routing) and you have distinct domains per locale, you can configure the middleware to never show a locale prefix in the URL.
 
 ```tsx filename="middleware.ts" {6}
 import createMiddleware from 'next-intl/middleware';
@@ -448,8 +448,8 @@ export default async function middleware(req: NextRequest) {
   });
   const res = handleI18nRouting(req);
 
-  const supabase = createMiddlewareClient<Database>({ req, res })
-  await supabase.auth.getSession()
+  const supabase = createMiddlewareClient<Database>({req, res});
+  await supabase.auth.getSession();
 
   return res;
 }