A matched payment shows in the undeposited funds if the items from that transaction are assigned to that account, @kayendee.
The first thing to do is to review the item income account link to that matched payments which is the invoice and see if it falls under the Undeposited Funds.
If it does, you can proceed to the Bank Deposit section because all transactions from Undeposited Funds will show here. Then, put it to the right account. Here's how:
- Click the + New icon.
- Select Bank Deposit from the Other column.

- Put a checkmark next to the transactions connected to those payments that fall into the undeposited funds. Then, Save and Close.

After placing them to correct account, change the item's Income Account from the Products & Services section by editing it. Take note, changes will only affect future invoices.
Leave a comment below if you have additional questions about categorizing payment transactions.