How do I add a Lead Source Group?

Under the Main CRM “Settings” Tab, Click the “ILM/CRM Settings” dropdown, and select “Lead Source List”. Click the blue “Manage Lead Source Group” link on the left hand side. On the “Manage Lead Source Group” popup, click the “Create Group” button. Enter your Lead Source Group name, and click the “OK” button. Select your new Lead Source Group from the dropdown, and then add lead sources from the left column by clicking the >> button