Yeah. You are right about that. So I am not ruling out the possibility that someone who mispronounces the word was the author. Still the odds are low, consider

Yeah. You are right about that. So I am not ruling out the possibility that someone who mispronounces the word was the author. Still the odds are low, considering this is a common phrase and he/she has likely made similar mistakes before (zh -> z) and taken some corrective actions to prevent future typos.