How to change the paypal logo link to paypal site in Taiwan

[lmecshop]

Hello
My joomla version 1.522,vm 1.17
One payment method PayPal (new API) logo will link to the US paypal site
Id like to change it to link to <a href="https://www.paypal.com/tw/cgi-bin/webscr?cmd=_home-general&nav=0" target="_blank">paypal Taiwan</ a>
I do not know how to do
Look forward to a master to teach me how to do that
Thank you
LM