Me : I found this code issue, I think we need to fix it
PO: does it affect the user?
Me: not really but we can make it better
PO: do you have a defect for it in *insert issue tracker here*
Me: no, I just noticed it
PO: is there an IM ticket for it?
Me: I don't think so
PO: is this issue already in production?
Me: possibly. Yes. That's why I was wondering if we should fix it.
PO: okay then we will fix it in the 3rd release from now if you still remember it by then.