Just use the company name that is built in and change the wording of the "company name" to whatever you like using the built in system for changing the default wording in your theme. https://help.shopify.com/en/manual/online-store/themes/customizing-...

Thanks for the code @KikyChen but for anyone finding this you also need to edit the main.cart file and any cart drawer liquid file with similar code otherwise they can just reduce the quantity there after adding product to cart. Also, warning "tags" ...

"don't hit ENTER... just type it in and save it" thanks @peaga13 

This is the answer. "don't hit ENTER... just type it in and save it" thanks @peaga13