diff --git a/ddns-updater.subdomain.conf.sample b/ddns-updater.subdomain.conf.sample
index a3e2f2eaa..e02a80920 100644
--- a/ddns-updater.subdomain.conf.sample
+++ b/ddns-updater.subdomain.conf.sample
@@ -1,3 +1,4 @@
+## Version 2024/08/04
 # make sure that your ddns-updater container is named ddns-updater
 # make sure that your dns has a cname set for ddns-updater
 
@@ -52,4 +53,4 @@ server {
         proxy_pass $upstream_proto://$upstream_app:$upstream_port;
 
     }
-}
\ No newline at end of file
+}