Can I edit the contact seller text in a multivendor marketplace?

[ArtDealers]

Hi,

Is it possible to move or edit the text in the box? Like here:

My shop:

password: ambrozja

https://artdealers.pl/

[Zworthkey]

@ArtDealers 

ya, of course,
I have visited your Site .this we can add by the Custom code to your site.
If you need help Contact Us.
thank you.