Add to Card

When I click on any product, there will button ( ADD TO CARD ). I would like to change the text in the button Please look at the following an Example website. https://www.mytheresa.com/en-de/vintage-runner-suede-and-fabric-sneakers-673206.html?catref=categor
There is a button, which bears the name ADD TO CARD . I would like to change letters or words inside the button. For example , I write ADD TO BAG LIST in the place where its shows ADD TO CARD .