I have another website where I am selling my courses hosted on my Podia website. When a sale is made on the other site, using a Podia coupon set for 100% off, they are taken to the course product page, where they are told the cost is $0, but they are still required to click "Purchase the course." Most of my customers are older and this confuses many of them. Is there a way to change the "Purchase" button to a "Go to" button to make this clearer?