diff --git a/src/main/java/net/onrc/onos/core/matchaction/action/ModifyLambdaAction.java b/src/main/java/net/onrc/onos/core/matchaction/action/ModifyLambdaAction.java
index ee5cdb2..5399de3 100644
--- a/src/main/java/net/onrc/onos/core/matchaction/action/ModifyLambdaAction.java
+++ b/src/main/java/net/onrc/onos/core/matchaction/action/ModifyLambdaAction.java
@@ -12,7 +12,7 @@
     /**
      * Constructor.
      *
-     * @param dstPort Destination port number
+     * @param lambda lambda after modification
      */
     public ModifyLambdaAction(int lambda) {
         this.lambda = lambda;