Fix Javadoc warnings

Change-Id: Icf8b6b6f77ea80d3975aa975226a178145067adf
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/faultmanagement/alarm/AlarmEvent.java b/incubator/api/src/main/java/org/onosproject/incubator/net/faultmanagement/alarm/AlarmEvent.java
index f93d76f..9481b01 100644
--- a/incubator/api/src/main/java/org/onosproject/incubator/net/faultmanagement/alarm/AlarmEvent.java
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/faultmanagement/alarm/AlarmEvent.java
@@ -41,6 +41,7 @@
     /**
      * Creates an event due to one alarm.
      *
+     * @param type alarm type
      * @param alarm the alarm related to the event.
      */
     public AlarmEvent(AlarmEvent.Type type, Alarm alarm) {