diff -r 90d417fd526c -r 41be00d23622 samples/letter.js
--- a/samples/letter.js	Wed May 07 21:33:30 2014 -0700
+++ b/samples/letter.js	Wed May 07 20:20:58 2014 +0530
@@ -1,3 +1,5 @@
+#// Usage: jjs -scripting letter.js -- <sender> <recipient>
+
 /*
  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
  *