Add clarity to sentence in authentication.md (#8220)

Author: daniel-brandenburg

website/src/docs/hotchocolate/v15/security/authentication.md

@@ -71,7 +71,7 @@ builder.Services
     .AddQueryType<Query>();
 ```
 
-All of this does not yet lock out unauthenticated users. It only exposes the identity of the authenticated user to our application through a `ClaimsPrincipal`. If we want to prevent certain users from querying our graph, we need to utilize authorization.
+Adding authorization does not lock out unauthenticated users. It only exposes the identity of the authenticated user to our application through a `ClaimsPrincipal`. If we want to prevent certain users from querying our graph, we need to utilize authorization.
 
 [Learn more about authorization](/docs/hotchocolate/v15/security/authorization)