diff --git a/roles/network/templates/network/debian-auto.j2 b/roles/network/templates/network/debian-auto.j2
index 3aaa4fde6..e50779554 100644
--- a/roles/network/templates/network/debian-auto.j2
+++ b/roles/network/templates/network/debian-auto.j2
@@ -1 +1,3 @@
+# Supplied by iiab-install or iiab-network (in /opt/iiab/iiab)
+
 auto {{ iiab_wan_iface }}