docs(examples): auth0 update callback URL (#42855)

examples/auth0/README.md

@@ -34,7 +34,7 @@ pnpm create next-app --example auth0 auth0-app
 2. Go to the settings page of the application
 3. Configure the following settings:
 
-- _Allowed Callback URLs_: Should be set to `http://localhost:3000/api/callback` when testing locally or typically to `https://myapp.com/api/callback` when deploying your application.
+- _Allowed Callback URLs_: Should be set to `http://localhost:3000/api/auth/callback` when testing locally or typically to `https://myapp.com/api/auth/callback` when deploying your application.
 - _Allowed Logout URLs_: Should be set to `http://localhost:3000/` when testing locally or typically to `https://myapp.com/` when deploying your application.
 
 4. Save the settings