The slug is the last part of your URL
[http://yourname123.tenminutefunnels.com/page-name-123]
Step #1: Go to the page you want to update then click the [gear] icon to access page settings.
Step #2: In the “Share this Page” section, click the “Change URL (slug) button, enter the new slug, then click “OK.”
Step #3: Click the Publish button at the top-right corner of the page to see the new slug in the URL.