This is actually an easy change, no coding required.
It can be done directly from the control panel by going under Store Setup > Store Settings > Search tab and…
How to create and import coupons in the Coupon Buster app.
Cornerstone version 4.8 introduced the optional word for product options on the product page.
Find out how to hide a link in the top menu of a Cornerstone theme based on the customer group.
Find out how to efficiently display a custom field on the product page.
In order to use Stencil from the command line you will need to create OAuth API credentials.