credit report late payment dispute 4

https://foxtrot-wiki.win/index.php/How_to_Check_Credit_Report_Status_and_Fix_Errors_Before_They_Cost_You

I found a late payment on my credit report that I'm pretty sure was a mistake since I always pay that card on time. Now I need to formally dispute it with the credit bureau, explaining why this mark is wrong and providing any proof I can. It's a bit frustrating, but getting this fixed could really help my score.