????? ????? ??? ?????? ??? ???? ? ???? ????????? ? ????? ????? ??? ?????? ?? ??????? ??? ??? ????? ??? ???? ???????? ??? ???? ??? ?????????.I believe if you are trying to extend your knowledge over a subsome info or topic but have no intention on really suggesting that that details could possibly be incorrect then "issue" is ok -This kind of cookie