Series end year

Can you make an option to change series end year on the edit page?
Yeah i known you can add end year on the edit page, but you can't change or remove it
Now you need to write to imdb contact and wait a day, and sometimes it doesn't happen on the first time, because like i said it before, i will say it again imdb contact is mostly useless
Then you need to write again and wait a day
So when it finally changes it takes 2-3 days