You may add or edit a memo for payments that go out by Check only:

 

If the payment hasn't been scheduled,

  • click on Options
  • Below the Pay button, click on Memo.
  • enter your information and click Add Memo
  • To remove a memo, delete the information and click Add Memo

On a payment that has been scheduled:

  • click on Options
  • Automatic payment
  • Enter your memo
  • Click Update

All the payments scheduled for this payee after this update will have the new default memo