diff --git a/pixelfed.subdomain.conf.sample b/pixelfed.subdomain.conf.sample
index 90bb8c6..0284921 100644
--- a/pixelfed.subdomain.conf.sample
+++ b/pixelfed.subdomain.conf.sample
@@ -1,4 +1,4 @@
-# make sure that your dns has a cname set for pixelfed
+# make sure that your dns has a cname set for pixelfed and the container is named pixelfed
 
 server {
     listen 443 ssl;