add more info

Author: aptalca

watchstate.subdomain.conf.sample

@@ -1,6 +1,8 @@
 ## Version 2024/05/06
 # make sure that your radarr container is named watchstate
 # make sure that your dns has a cname set for watchstate
+# the api endpoint is not behind auth, so please make sure to enable
+# "Webhook match backend id" in backend settings
 
 server {
     listen 443 ssl http2;