By default, when a subdomain or a domain name is successfully linked to your account, it will display the following success message :
“This Domain has been successfully linked….”
You can easily remove the message by setting a page created within the Capture app as the “homepage” to your custom domain/subdomain.
Simply create a page using capture and publish it to your custom domain as normal.
To set the home/root page of your subdomain or custom domain name, all you need to do is to edit its path, remove it and leave it empty, this way the page will automatically be set as a home page for your subdomain or custom domain name, please check the image below: