diff --git a/nextcloud.subdomain.conf.sample b/nextcloud.subdomain.conf.sample
index c1c846a..b8ba8dc 100644
--- a/nextcloud.subdomain.conf.sample
+++ b/nextcloud.subdomain.conf.sample
@@ -12,6 +12,9 @@
 #    0 => '192.168.0.1:444', # This line may look different on your setup, don't modify it.
 #    1 => 'nextcloud.your-domain.com',
 #  ),
+#
+# The above configuration works with linuxserver/nextcloud. 
+# if you're using the official nextcloud image set $upstream_port 80 and $upstream_proto http
 
 server {
     listen 443 ssl;