Fix minor javadoc issues

Change-Id: I9803f17ca2b2a21920dccb0e92de6c39f84af315

@@ -83,7 +83,6 @@ public final class NetconfDeviceOutputEvent extends
      * @param payload           message from the device
      * @param msgID             id of the message related to the event
      * @param netconfDeviceInfo device of event
-     * @param msgID             id of the message related to the event
      * @param time              occurrence time
      */
     public NetconfDeviceOutputEvent(Type type, Object subject, String payload,

@@ -34,8 +34,8 @@ public abstract class IGMPGroup {
     /**
      * Initialize this object with a multicast group address and additional info.
      *
-     * @param gaddr: the multicast group address for this message type.
-     * @param auxInfo: additional info potentially used by IGMPQuery
+     * @param gaddr the multicast group address for this message type.
+     * @param auxInfo additional info potentially used by IGMPQuery
      */
     public IGMPGroup(IpAddress gaddr, int auxInfo) {
         this.gaddr = gaddr;