diff --git a/apps/openstackswitching/api/src/main/java/org/onosproject/openstackswitching/OpenstackSwitchingService.java b/apps/openstackswitching/api/src/main/java/org/onosproject/openstackswitching/OpenstackSwitchingService.java
index 1ed4f6f..8960dcd 100644
--- a/apps/openstackswitching/api/src/main/java/org/onosproject/openstackswitching/OpenstackSwitchingService.java
+++ b/apps/openstackswitching/api/src/main/java/org/onosproject/openstackswitching/OpenstackSwitchingService.java
@@ -34,13 +34,14 @@
     /**
      * Removes flow rules corresponding to the port removed by Openstack.
      *
+     * @param uuid UUID
      */
     void deletePort(String uuid);
 
     /**
      * Updates flow rules corresponding to the port information updated by Openstack.
      *
-     * @param openstackPort
+     * @param openstackPort OpenStack port
      */
     void updatePort(OpenstackPort openstackPort);
 
diff --git a/apps/openstackswitching/app/src/main/java/org/onosproject/openstackswitching/OpenstackSwitchingRulePopulator.java b/apps/openstackswitching/app/src/main/java/org/onosproject/openstackswitching/OpenstackSwitchingRulePopulator.java
index 014eeb8..92c2742 100644
--- a/apps/openstackswitching/app/src/main/java/org/onosproject/openstackswitching/OpenstackSwitchingRulePopulator.java
+++ b/apps/openstackswitching/app/src/main/java/org/onosproject/openstackswitching/OpenstackSwitchingRulePopulator.java
@@ -72,6 +72,7 @@
      * @param appId application id
      * @param flowObjectiveService FlowObjectiveService reference
      * @param deviceService DeviceService reference
+     * @param restHandler OpenstackRestHandler reference
      * @param driverService DriverService reference
      */
     public OpenstackSwitchingRulePopulator(ApplicationId appId,