diff --git a/apps/xosclient/src/main/java/org/onosproject/xosclient/api/VtnPortApi.java b/apps/xosclient/src/main/java/org/onosproject/xosclient/api/VtnPortApi.java
index e4e56d3..56835f4 100644
--- a/apps/xosclient/src/main/java/org/onosproject/xosclient/api/VtnPortApi.java
+++ b/apps/xosclient/src/main/java/org/onosproject/xosclient/api/VtnPortApi.java
@@ -49,6 +49,7 @@
      * Returns port information from OpenStack with port id.
      *
      * @param portId port id
+     * @param osAccess OpenStack address for OS access
      * @return vtn port; null if it fails to get port information
      */
     // TODO remove this when XOS provides port information
@@ -58,6 +59,7 @@
      * Returns port information from OpenStack with port name.
      *
      * @param portName port name
+     * @param osAccess OpenStack address for OS access
      * @return vtn port; null if it fails to get port information
      */
     // TODO remove this when XOS provides port information