To create a custom web address for a group you admin:
  1. From your News Feed click Groups in the left menu and select your group.
  2. Click Settings in the left menu.
  3. Next to Web Address, click .
  4. Enter an alias for your group. The address can't have special characters and can only include letters, numbers and a period (.).
  5. Click Save.
Note: You can't change the group name if it has more than 5,000 members. Once you customize your web address, you won't be able to change it.