Original sentence: He included a grammar of the Quiché language and an essay on Central American mythology.In 1861 he published another significant work: a French translation of the Popol Vuh, a sacred book of the Quiché Maya people
Edited sentence: He included a grammar of the K'iche' language and an essay on Central American mythology.In 1861 he published another significant work: a French translation of the Popol Vuh, a sacred book of the Quiché (K'iche') Maya people