You can add a note to your check which will appear on the memo line.
Through the Novo app, you can request to have checks written and mailed on your behalf for no extra cost. Just select to make a payment on the ‘Move Money’ page of the Novo app. From here, you can add your payee and select ‘Paper Check’, then fill out the required information.
Once you have entered the amount of the check, you will select review. At that point, you can add your memo up to 40 characters.