This is the correct section, don't worry :P
Well, at first I wish you good luck with your project.
It's not necessary to make autoit undetected at the moment because all au3 scripts became undetected a few patches ago.
A good example is

. Coded in Autoit and it's undetected without any special work.
But if Autoit gets detected again in future I recommend you to use one of the following Bypasses:


.
Hope this helped.