Need help to edit listing

[liquidators$$]

Hi all i am trying to add to my listing tyre sizes, but it keeps asking me to fix postage options which you cant edit or change 

there for i cant update auction description any advice.

[kopenhagen5]

Not much you can edit once there are bids.

All you can do is add to the description in big bold letters.

But if the revision is important you will want to message the current bidders as well.