Fix url

Author: Lucas GOSGNACH ADM

Diff for: content/4.digging-deeper/4.authorizations.md

@@ -8,9 +8,9 @@ Laravel Rest Api doesn't provide authentication, you can define it on your proje
 
 ## Policies
 
-To restrict access to viewing, creating, updating, or deleting resources, Laravel Rest Api relies on Laravel's authorization policies.
+To restrict access to viewing, creating, updating, or deleting resources, Laravel Rest Api relies on Laravel's [authorization policies](https://laravel.com/docs/authorization#creating-policies).
 By default, Laravel automatically associates the appropriate authorization policies with your models.
-You can also manually associate a policy in your AppServiceProvider. In either case, Laravel REST API will use it automatically, without requiring any additional configuration.
+You can also manually associate a policy in your `AppServiceProvider`. In either case, Laravel REST API will use it automatically, without requiring any additional configuration.
 
 This concerns the following methods:
 - viewAny