diff --git a/README.MD b/README.MD
index 33a80c4..7f44e1f 100644
--- a/README.MD
+++ b/README.MD
@@ -31,7 +31,7 @@ apps, err := client.ActiveApp()
 
 // launch the YouTube app
 youtube := "837"
-err := client.Launch(youtube)
+err := client.Launch(youtube, "yk8yvt5lWVc", "")
 ```
 
 ## Command line tool