Hi Todd, 

Making sure your T4 has the right info is a good business practice. I'd be glad to point you towards the right direction with amending it. 

To accomplish this you'll need to contact our support team using this link here. One of our specialized payroll agents will be happy to take a look at your T4 and help make the appropriate adjustments. 

In the meantime, check out this helpful resource regarding T4s in QB Online: How to prepare T4 slips and summary. Don't hesitate to ask questions in the comments below.