Even a few quick tweaks can make a big difference with your dating app profile, experts say.Oscar Wong/Getty ImagesThis January 7 is Dating Sunday, the most-trafficked day for dating apps.A profile refresh can help you score matches when more singles than usual are looking for a connection.Matchmakers and dating coaches shared their top tips for quickly revamping or overhauling your profile.One of the most promising days for singles looking for love (or just a bit of fun) — called Dating Sunday — is nigh.Falling on the first Sunday in January, Dating Sunday is historically the most-trafficked day for dating apps like Hinge, Bumble, and Tinder, Business Insider previously reported.It's unclear why so many singles flock to dating apps today.