What happens next in this paragraph?

How to make an invoice
Include your business name.
This basic information about your company should appear in professional lettering at the top of the page. If you're using word processing software, create a new document and select " header " from the drop down menu to create a header; otherwise, simply type your company's name and center it at the top of the page.
If you don't have a business name, type your first and last name. You may also include your middle initial if desired.