Thanks for reaching out to the Community forum, cecil.collymore.
I'd love to help you achieve your goal of editing the name of an account. However, I have to ask for some details about the issue. This way, I can provide the best solution.
May I know on which page in QuickBooks Online you want to edit the name of an account line item?
You can visit this article for more "How Do I" questions and tips while using QuickBooks Online: UK Help Articles.
I'd appreciate it if you could provide more details about your concern. We look forward to it.