Hi there, NealRM.
As we use the web browser, we may run into trouble with the browser's cache. Our browser’s cache saves files on your computer to load websites faster on your next visit. At times, it will accumulate outdated files that may cause small issues on QuickBooks.
I can share some troubleshooting steps that will fix this issue. We can start by:
I've also added an article that will help in personalizing your sales forms: Customize invoices, estimates, and sales receipts in QuickBooks Online.
Let me know how it goes in the comment section, as I want to ensure that your invoices are accurate. Stay safe and healthy!