Excess contribution ROTH 401 do i need corrected W2

I worked for two different employers in 2024. As a result, I over contributed to my ROTH 401k.  I caught this and requested a return of the funds from the 401k company and have received it.  However, my employer is saying since it was a ROTH over contribution, I do not need a corrected W2.  Is this true?  Do I just manually adjust the amount reflected on line 12 to the corrected amount or file as is and keep documentation on hand to show the returned amount.