USAGE in appcelerator-2.0.2

- old
+ new

@@ -12,9 +12,10 @@
     The following are the arguments:
     
     ServiceClassName      - name of the service class
     ServiceMessageRequest - message request type
     ServiceMethod         - method name to call
+    ServiceMessageRequest - message response type
 
 Example:
     ./script/generate service CreditCard service.creditcard.charge.request charge [service.creditcard.charge.response]
 