diff --git a/core/api/src/main/java/org/onlab/onos/net/DefaultDevice.java b/core/api/src/main/java/org/onlab/onos/net/DefaultDevice.java
index f6ba352..1207427 100644
--- a/core/api/src/main/java/org/onlab/onos/net/DefaultDevice.java
+++ b/core/api/src/main/java/org/onlab/onos/net/DefaultDevice.java
@@ -54,6 +54,7 @@
      * @param hwVersion    device HW version
      * @param swVersion    device SW version
      * @param serialNumber device serial number
+     * @param chassisId    chasis id
      * @param annotations optional key/value annotations
      */
     public DefaultDevice(ProviderId providerId, DeviceId id, Type type,