Thanks for getting back, quickuser2011.

You got it right. You have the option to customize invoice template which will then be automatically use when you create a recurring transaction in QuickBooks Online (QBO). You can follow the steps on how to edit an invoice template as provided above by my colleague @AlcaeusF.

Let me know if you have other clarifications or concerns with recurring transactions in QBO. I'd be glad to answer them for you.