javadoc fixes

Change-Id: I3b4fc2d99f42b2413a535fb411b9c19bdd186ad8
diff --git a/core/store/serializers/src/main/java/org/onlab/onos/store/serializers/StoreSerializer.java b/core/store/serializers/src/main/java/org/onlab/onos/store/serializers/StoreSerializer.java
index 48fff65..8ebb0e6 100644
--- a/core/store/serializers/src/main/java/org/onlab/onos/store/serializers/StoreSerializer.java
+++ b/core/store/serializers/src/main/java/org/onlab/onos/store/serializers/StoreSerializer.java
@@ -44,6 +44,7 @@
      *
      * @param bytes bytes to be deserialized
      * @return deserialized object
+     * @param <T> decoded type
      */
     public <T> T decode(final byte[] bytes);
 
@@ -52,6 +53,7 @@
      *
      * @param buffer bytes to be deserialized
      * @return deserialized object
+     * @param <T> decoded type
      */
     public <T> T decode(final ByteBuffer buffer);
 }