You definitely can. You can edit your about us page and add there a link to your website or any other site.
To do so follow these steps:
1. Login to your control panel with your eBay login info: http://www.webstoreplace.com/site/login
2. Go to your “Settings” tab in your control panel.
3. Add your website’s link under your "About Us" section, you can use the hyperlink feature to add it. Click on "Save" at the bottom to save your changes.
4. You will now be able to see a link to your site in your about us page.
Have any questions on how to edit your webstore? feel free to leave a comment here below!