Presta shop expert Only -- 3

I need a a ref hyper link on my Checkout page - currently it is the default modal box but it does not work.

here is the website : https://cbdtopsecret.com/

it is on the last step of the check out to read terms and contidions -

https://cbdtopsecret.com/commande

attached are two screenshots

the 1st one is green is the triger text - the second one is the result, empty pop up - in red

id like to convert this text in the first screen shot to a hyperlink - leading to terms and conditions page here https://cbdtopsecret.com/content/3-conditions-utilisation