diff --git a/roles/radvd/templates/radvd.conf.j2 b/roles/radvd/templates/radvd.conf.j2
index e769ec7..3cadda5 100644
--- a/roles/radvd/templates/radvd.conf.j2
+++ b/roles/radvd/templates/radvd.conf.j2
@@ -1,3 +1,5 @@
+# {{ ansible_managed }}
+
 interface br-{{ site_code }} {
   AdvSendAdvert on;
   IgnoreIfMissing on;