I think I was falsely reported

All i did was be good in this match and they told me i was smurfing. Like that my friend told them i was iron 3 which i am(i couldn't chat). But I wasn't smurfing, it could have been the penalty for saying kyyyyyysssssss to someone but i was only defending my teammate since the other team was being toxic. I just wanna know if this is false or not. If its a reasonable report i wont complain.