Wrong Estimated Tax Payment Discovered After Return was E-Filed

I just E-Filed a federal return and discovered the 2nd quarter 2023 payment for $500 was not made, thus overstating the tax payments made on the return.  The balance due on the original E-Filed return was $124 and is set to be debited from our bank account on April 8, 2024.  Do I need to file an amended return or can we simply go to the IRS website and make a $500 payment?  If so, payment under what category?