diff --git a/src/main/java/org/onosproject/aaa/AAA.java b/src/main/java/org/onosproject/aaa/AAA.java
index 72a5b12..567944a 100644
--- a/src/main/java/org/onosproject/aaa/AAA.java
+++ b/src/main/java/org/onosproject/aaa/AAA.java
@@ -419,6 +419,7 @@
          * Handles RADIUS packets.
          *
          * @param radiusPacket RADIUS packet coming from the RADIUS server.
+         * @throws StateMachineException if an illegal state transition is triggered
          */
         protected void handleRadiusPacket(RADIUS radiusPacket) throws StateMachineException {
             StateMachine stateMachine = StateMachine.lookupStateMachineById(radiusPacket.getIdentifier());