Anniversary Trip

So, after staying at the Four Seasons on our honeymoon (where the service was absolutely spectacular) we decided that we'd go to another Four Seasons for our anniversary. But we were only going to stay for four nights so that we could keep the vacation somewhat reasonably priced. American Airlines just changed one of our flights, so that we wouldn't be arriving home until midnight on our anniversary, so we thought it would be a great idea to extend our vacation by two nights. I just got our revised itinerary and saw the 'Total Gross Price'