diff --git a/docker/nginx/conf.d/00-default.conf b/docker/nginx/conf.d/00-default.conf
index a4333d5..1645751 100644
--- a/docker/nginx/conf.d/00-default.conf
+++ b/docker/nginx/conf.d/00-default.conf
@@ -1,4 +1,4 @@
-# Drop connections with unknown Host headers
+# Drop connections with unknown or missing Host headers
 server {
     listen 80 default_server;
     listen [::]:80 default_server;