diff --git a/conf/nginx.conf b/conf/nginx.conf
index 2762269..4a0a060 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -264,7 +264,7 @@ http {
     # HTTPS server
     #
     #server {
-    #    listen       443 ssl;
+    #    listen       443 ssl h2;
     #    server_name  localhost;
 
     #    ssl_certificate      cert.pem;