@Verodeveloper You can edit footer.liquid file of your active theme.
You can edit the code for your theme. Please follow these steps:
1. From your Shopify admin, go to Online Store > Themes -> Select your theme.
2. Click Actions > Edit code.
3. You can find and edit on the file "footer.liquid" name with your info.
Hope this helps. And if you can not find where to edit, you can add me as a staff, I'll check it for you.