fix javadoc

Change-Id: I9b2a36acaaf8d2cd01687c526d53e839bc9a9aa7
diff --git a/core/api/src/main/java/org/onlab/onos/mastership/MastershipEvent.java b/core/api/src/main/java/org/onlab/onos/mastership/MastershipEvent.java
index dafa273..60f0dad 100644
--- a/core/api/src/main/java/org/onlab/onos/mastership/MastershipEvent.java
+++ b/core/api/src/main/java/org/onlab/onos/mastership/MastershipEvent.java
@@ -49,9 +49,9 @@
      * Creates an event of a given type and for the specified device,
      * role information, and the current time.
      *
-     * @param type   device event type
+     * @param type   mastership event type
      * @param device event device subject
-     * @param info   mastership role information subject
+     * @param info   mastership role information
      */
     public MastershipEvent(Type type, DeviceId device, RoleInfo info) {
         super(type, device);