Fixed Javadoc Warnings

Change-Id: I7318f221fd0f2d391bb4d5b6c0a948c009869f19
diff --git a/protocols/ospf/ctl/src/main/java/org/onosproject/ospf/controller/impl/OspfMessageEncoder.java b/protocols/ospf/ctl/src/main/java/org/onosproject/ospf/controller/impl/OspfMessageEncoder.java
index 0a2ea99..4b4dbb0 100755
--- a/protocols/ospf/ctl/src/main/java/org/onosproject/ospf/controller/impl/OspfMessageEncoder.java
+++ b/protocols/ospf/ctl/src/main/java/org/onosproject/ospf/controller/impl/OspfMessageEncoder.java
@@ -39,13 +39,15 @@
 
 
     /**
-     * Constructor.
+     * Creates an instance of OSPF message encoder.
      */
     OspfMessageEncoder() {
     }
 
     /**
-     * Constructor to initialize instance.
+     * Creates an instance of OSPF message encoder.
+     *
+     * @param ospfInterface OSPF interface instance
      */
     OspfMessageEncoder(OspfInterface ospfInterface) {
         this.ospfInterface = ospfInterface;
@@ -75,4 +77,4 @@
 
         return buf;
     }
-}
\ No newline at end of file
+}