Nah, it's common practice in journalism and research to correct quoted content and either put the correction in brackets [ ]s or add the word [sic] after the error.
Most importantly, he didn't change one word in the article and this is nitpicking in an attempt to make it look like something material was changed to the casual observer who sees the title "You doctored the article!!!!!!!!!!!" when, in reality, nothing material in the article was changed.