diff --git a/apps/openstacknetworking/openstackswitching/src/main/java/org/onosproject/openstacknetworking/switching/OpenstackArpHandler.java b/apps/openstacknetworking/openstackswitching/src/main/java/org/onosproject/openstacknetworking/switching/OpenstackArpHandler.java
index e417d9a..62f412a 100644
--- a/apps/openstacknetworking/openstackswitching/src/main/java/org/onosproject/openstacknetworking/switching/OpenstackArpHandler.java
+++ b/apps/openstacknetworking/openstackswitching/src/main/java/org/onosproject/openstacknetworking/switching/OpenstackArpHandler.java
@@ -69,6 +69,7 @@
      * OpenStack if it's not. This ARP proxy does not support overlapping IP.
      *
      * @param pkt ARP request packet
+     * @param openstackPortInfoCollection collection of port information
      */
     public void processPacketIn(InboundPacket pkt, Collection<OpenstackPortInfo> openstackPortInfoCollection) {
         Ethernet ethRequest = pkt.parsed();