Fix Javadoc warnings

Change-Id: Ia5fe7785f76da92abbf940599cbd3d7dc6ac2cc5
diff --git a/core/api/src/main/java/org/onosproject/net/FilteredConnectPoint.java b/core/api/src/main/java/org/onosproject/net/FilteredConnectPoint.java
index 09d87fc..da210f4 100644
--- a/core/api/src/main/java/org/onosproject/net/FilteredConnectPoint.java
+++ b/core/api/src/main/java/org/onosproject/net/FilteredConnectPoint.java
@@ -32,7 +32,7 @@
     /**
      * Creates filtered connect point with default traffic selector.
      *
-     * @param connectPoint
+     * @param connectPoint connect point
      */
     public FilteredConnectPoint(ConnectPoint connectPoint) {
         this.connectPoint = connectPoint;
@@ -61,7 +61,8 @@
 
     /**
      * Returns the connection point.
-     * @return
+     *
+     * @return connect point
      */
     public ConnectPoint connectPoint() {
         return connectPoint;