update index.js comments
update index.js comments

MyPureCloud/developercenter-tutorials,MyPureCloud/developercenter-tutorials,MyPureCloud/developercenter-tutorials,MyPureCloud/developercenter-tutorials,MyPureCloud/developercenter-tutorials,MyPureCloud/developercenter-tutorials,MyPureCloud/developercenter-tutorials,MyPureCloud/developercenter-tutorials