Fixed javadoc error.

Change-Id: I39bf0d2929eabb2895cdbe779ed19d471fcdd18d
diff --git a/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/EventuallyConsistentMapImpl.java b/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/EventuallyConsistentMapImpl.java
index 7a9e655..b4174b6 100644
--- a/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/EventuallyConsistentMapImpl.java
+++ b/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/EventuallyConsistentMapImpl.java
@@ -137,7 +137,7 @@
      * @param mapName               a String identifier for the map.
      * @param clusterService        the cluster service
      * @param clusterCommunicator   the cluster communications service
-     * @param serializer            a Kryo namespace that can serialize
+     * @param ns                    a Kryo namespace that can serialize
      *                              both K and V
      * @param timestampProvider     provider of timestamps for K and V
      * @param peerUpdateFunction    function that provides a set of nodes to immediately