diff --git a/package/gluon-ebtables-filter-multicast/files/lib/gluon/ebtables/110-mcast-allow-arp b/package/gluon-ebtables-filter-multicast/files/lib/gluon/ebtables/110-mcast-allow-arp
index bbc621c665a1df0164aad179f2c2fd98654b244b..927776a8bcfb3ddfd34f31c266ba7ff99a050d95 100644
--- a/package/gluon-ebtables-filter-multicast/files/lib/gluon/ebtables/110-mcast-allow-arp
+++ b/package/gluon-ebtables-filter-multicast/files/lib/gluon/ebtables/110-mcast-allow-arp
@@ -1,4 +1,4 @@
-# Bridge loop avoidance
+-- Bridge loop avoidance
 rule 'MULTICAST_OUT -p ARP --arp-opcode Reply --arp-gratuitous --arp-mac-dst ff:43:05:00:00:00/ff:ff:ff:fc:00:00 -j RETURN'
 rule 'MULTICAST_OUT -p ARP --arp-opcode Reply --arp-gratuitous --arp-mac-dst ff:43:05:05:00:00/ff:ff:ff:ff:00:00 -j RETURN'