To nitpick

To be overly critical, concerned with insignificant details - chercher la petite bête, être tatillon

• her husband nitpicks about everything: from how she puts the plates away to how she files the bills

to be nit-picky, to be a nit-picker

• For those nit-pickers out there, yes, the album wasn't released in 2004-in fact, disk one was actually released in 2001.