per·snick·e·ty 
/pɚˈsnɪkəti/ adjective
/pɚˈsnɪkəti/ adjective [more persnickety; most persnickety] US, informal + disapproving : giving a lot of attention to details that are minor or not important
▪ a persnickety teacher ▪ The editor is persnickety [=(Brit) pernickety] about comma usage.
▪ a persnickety teacher ▪ The editor is persnickety [=(Brit) pernickety] about comma usage.
