1)stands for Mind the spelling, it is put in front of a word that was incorrectly spelled.
-Also serves as a way to tell the reader not to comment on the word.
guy1: hey, considently(mts) I'm a smart ass
guy2: if you're so smart why did u spell coincidentally incorrectly
guy1: I put mts so it atoumatcally(mts) becomes right, take that dumbass.