Adjective
nitpicky (comparative nitpickier, superlative nitpickiest)
Finicky; overly critical; concerned with insignificant details.
I don't let myself get upset about the little nitpicky things anymore. Eric Shanteau
I’m being nitpicky; obviously Eugene is an important character, and Jesse himself suggests he’s missing some kind of obvious evidence in the audition tape/snuff film. Source: Internet
That is admittedly a little nitpicky, but those markings end up being little more than cosmetic additions to the body. Source: Internet