add suggested change; correct indent

docs/configuring-playbook-ngnix.md

@@ -11,3 +11,11 @@ This will serve a statuspage to the hosting machine only. Useful for monitoring
 ```yaml
 matrix_nginx_proxy_nginx_status_enabled: true
 ```
+
+In default ```matrix_nginx_proxy_nginx_status_enabled``` will add the local ip adress. If you wish to listen to other ip-adresses provide a list:
+
+```yaml
+matrix_nginx_proxy_nginx_status_allowed_addresses:
+- 8.8.8.8
+- 1.1.1.1
+```