Hi there, L1v1ngW0rd.

Glad to have you here in the QuickBooks Community. I'm here to help. Just follow these steps to change a category name.

1. Go to the Sales menu, then select Products and Services.
2. Select More, then Manage Categories.'
3. Select Edit from the Action column.
4. Make the changes you want and select Save. Or select Remove, then Ok.

I also recommend checking out this article to learn more about categories: Categories in QBO.

I'm always here as well to help if you have any questions.