Hi there, Pebbles.
Since the reimbursement is processed through Payroll, any expense claims that have been assigned to an incorrect expense account cannot be adjusted directly through the expense system.
Moving forward, to edit your reimbursement and assign it to the correct expense account. Please refer to this article for guidance: Set up employee expense management in QuickBooks Online Advanced.
If you require additional assistance with managing your employee's transactions or other Payroll- related concerns, please do not hesitate to leave a comment. We are always available to lend a helping hand.