diff --git a/papermerge.subdomain.conf.sample b/papermerge.subdomain.conf.sample
index ca64dd7..fa0b0f9 100644
--- a/papermerge.subdomain.conf.sample
+++ b/papermerge.subdomain.conf.sample
@@ -1,3 +1,6 @@
+## Version 2021/06/01
+# make sure that your dns has a cname set for papermerge
+
 server {
     listen 443 ssl;
     listen [::]:443 ssl;
@@ -32,5 +35,6 @@ server {
         set $upstream_port 8000;
         set $upstream_proto http;
         proxy_pass $upstream_proto://$upstream_app:$upstream_port;
+        
     }
 }