I just noticed my october invoice shows 'unpaid' when my vendor paid. how do i change 'unpaid' to paid?

Hello, @sue15.

Thanks for reaching out to the Community. I'll be happy to explain how to mark an invoice as paid. 

To do this:

1) Click on the + New, and then select Receive Payment.

2) Choose your customer.

3) Select Check as the Payment method.

4) Check the invoices you want to mark as paid.

5) Once done, click Save and close.

For more information Invoices, click here.

Please keep me posted on your results with this here, the Community has you covered. Thanks again, I'll be standing by for your response.