How can I edit my Stripe receipt?

Receipts are controlled and generated by Stripe so customizing the receipt can be done through your Stripe Admin dashboard. Here's a great resource from Stripe that shows you how to customize receipts (scroll down about midway):

Hi there - i noticed that both stripe and thinkific are sending receipts - how can i turn off the receipt from thinkific?

Hi Belinda

You can turn off the Thinkific receipts via Notifications from your Admin Dashboard per the screenshot below: