The "Website Credit" field allows you to tell visitors that Your Company designed the site and allows you to add a link back to your own company website. This can be set up under Private Labeling. You may also remove it on a per-site basis from the "Site Details" page in your dashboard.
STEP 1 - Once logged in, click "Site Details" next to the site you want to hide the website credit from.
STEP 2 - Click "Edit"
STEP 3 - Remove the checkmark next to Show Website Credit in footer and click "Save."
When you visit the website, the website credit will no longer be visible.