feedback error

I gave an initial feedback based on a misunderstanding and after my feedback it has been clarified. I edited to rectify it but I can't change the amount of stars from 3 to 5 or the pre-feedback summary. Or if I can, then I don't know how as I don't have much experience in this website. This...

So since last 2 months I am not getting any feedbacks from few of my buyers. At first I thought they might be doing it wrong and thought nothing of it as I didn't want to bug them for that. But last month of so I tried contacting support and they said something that I don't remember but after...