Grammar vigilantes are on a mission to correct Quito graffiti (photos)

They may not be the heroes that Ecuador needs or deserves but they sure do get pissed off when you don’t know where a comma goes.

Since January, vigilantes in Quito, Ecuador have been correcting mistakes in the city’s graffiti.

These guerillas use stencils cut from pizza boxes to add commas, question marks and, ah yes, even accent marks to imperfect street art around town.

The members of Acción Ortográfica Quito take their pseudonyms (or superhero names) from punctuation marks: Diéresis, Tilde and Coma.

Diéresis, a 30-year-old lawyer/vigilante, told The Guardian in an interview, “Grammatical errors cause stress. We only make texts comprehensible that otherwise would not send any message whatsoever.”

Mas…Grammar vigilantes are on a mission to correct Quito graffiti (photos)