diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/intf/InterfaceEvent.java b/incubator/api/src/main/java/org/onosproject/incubator/net/intf/InterfaceEvent.java
index 540a79d..d2e59a5 100644
--- a/incubator/api/src/main/java/org/onosproject/incubator/net/intf/InterfaceEvent.java
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/intf/InterfaceEvent.java
@@ -70,7 +70,7 @@
      *
      * @param type event type
      * @param subject subject interface
-     * @param subject previous interface subject
+     * @param prevSubject previous interface subject
      */
     public InterfaceEvent(Type type, Interface subject, Interface prevSubject) {
         super(type, subject);
@@ -82,7 +82,7 @@
      *
      * @param type event type
      * @param subject subject interface
-     * @param subject previous interface subject
+     * @param prevSubject previous interface subject
      * @param time time of event
      */
     public InterfaceEvent(Type type, Interface subject, Interface prevSubject, long time) {