Fix Javadoc warnings

Change-Id: Icf8b6b6f77ea80d3975aa975226a178145067adf
diff --git a/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/flowspec/BgpFlowSpecNlri.java b/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/flowspec/BgpFlowSpecNlri.java
index fa40149..f4c86dc 100644
--- a/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/flowspec/BgpFlowSpecNlri.java
+++ b/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/flowspec/BgpFlowSpecNlri.java
@@ -224,6 +224,7 @@
      * Update buffer with identical flow types.
      *
      * @param cb channel buffer
+     * @param bgpFlowSpecNlri flow specification
      */
     public static void updateBufferIdenticalFlowTypes(ChannelBuffer cb, BgpFlowSpecNlri bgpFlowSpecNlri) {
 
@@ -256,6 +257,7 @@
      * Update buffer with non-identical flow types.
      *
      * @param cb channel buffer
+     * @param bgpFlowSpecNlri flow specification
      */
     public static void updateBufferNonIdenticalFlowTypes(ChannelBuffer cb, BgpFlowSpecNlri bgpFlowSpecNlri) {
         ChannelBuffer flowSpecTmpBuff = ChannelBuffers.dynamicBuffer();
diff --git a/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/WideCommunityAttrHeader.java b/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/WideCommunityAttrHeader.java
index e49ef71..af88863 100644
--- a/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/WideCommunityAttrHeader.java
+++ b/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/WideCommunityAttrHeader.java
@@ -171,6 +171,7 @@
      *
      * @param c ChannelBuffer
      * @return object of WideCommunityAttrHeader
+     * @throws BgpParseException if a parsing error occurs
      */
     public static WideCommunityAttrHeader read(ChannelBuffer c) throws BgpParseException {
 
@@ -206,4 +207,4 @@
         // TODO Auto-generated method stub
         return 0;
     }
-}
\ No newline at end of file
+}
diff --git a/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/WideCommunity.java b/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/WideCommunity.java
index 1867959..f797f5b 100644
--- a/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/WideCommunity.java
+++ b/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/WideCommunity.java
@@ -81,6 +81,7 @@
     /**
      * Returns object of this class with specified values.
      *
+     * @param wideCommunityHeader community header
      * @param community wide community
      * @param localAsn local ASN number
      * @param contextAsn context ASN number