diff --git a/authelia.subdomain.conf.sample b/authelia.subdomain.conf.sample
index cac5c4e..e4e68bc 100644
--- a/authelia.subdomain.conf.sample
+++ b/authelia.subdomain.conf.sample
@@ -1,4 +1,8 @@
 # make sure that your dns has a cname set for authelia
+# the default authelia-server and authelia-location confs included with letsencrypt rely on
+# subfolder proxy at "/authelia" and enabling of this proxy conf is not necessary.
+# But if you'd like to use authelia via subdomain, you can enable this proxy and set up your own
+# authelia-server and authelia-location confs as described in authelia docs.
 
 server {
     listen 443 ssl;
@@ -20,4 +24,4 @@ server {
         proxy_pass $upstream_proto://$upstream_app:$upstream_port;
 
     }
-}
\ No newline at end of file
+}