Fix javadoc warnings

Change-Id: I3de24a04593f47c786f698f5ee1669b3d2f2fdfc
diff --git a/src/main/java/org/onosproject/cordvtn/CordVtnRuleInstaller.java b/src/main/java/org/onosproject/cordvtn/CordVtnRuleInstaller.java
index d9b29bd..ad9dee8 100644
--- a/src/main/java/org/onosproject/cordvtn/CordVtnRuleInstaller.java
+++ b/src/main/java/org/onosproject/cordvtn/CordVtnRuleInstaller.java
@@ -125,6 +125,8 @@
      * @param flowRuleService flow rule service
      * @param deviceService device service
      * @param driverService driver service
+     * @param groupService group service
+     * @param mastershipService mastership service
      * @param tunnelType tunnel type
      */
     public CordVtnRuleInstaller(ApplicationId appId,