Half-orc do unarmed strike and roll 20, 1+STR right?

@JeremyECrawford @mikemearls Half-orc do unarmed strike and roll 20 (critical). RAW would be still 1+STR right? Would you rule 3+STR?

— Matheus Ferreira (@MtS_Designer) May 27, 2016

An unarmed strike deals 1 + Str. modifier damage, even on a critical hit. #DnD https://t.co/eLtOhRPao6

— Jeremy Crawford (@JeremyECrawford) May 27, 2016