I'm not sure I understand what iCloud setting you're expecting to be listed. It sounds like you're all set up.
Which set of steps are you following? Perhaps the confusion came from some changes to our settings layout & wording? There are some small differences between iOS 5 and iOS 6.
We recently updated the PDF manual for this app, so its instructions for this feature should be current:
http://www.omnigroup.com/products/om...phone/support/ [and then click the Manual button to download]