diff --git a/dnsdist.subdomain.conf.sample b/dnsdist.subdomain.conf.sample
index 7be044a..b14ce81 100644
--- a/dnsdist.subdomain.conf.sample
+++ b/dnsdist.subdomain.conf.sample
@@ -1,3 +1,4 @@
+## Version 2024/11/02
 # make sure that your container is named dnsdist
 # make sure that your dns has a cname set for dnsdist