Change of a headline gives us 53 job applicants in less than 6 hours

For our new company, we started hiring last month. We posted 2 jobs online, we got in 10 days, 30 applicants. Not the one we are looking for. So today, I posted at 11 am the same job offer—only a different headline. Within 6 hours, we have over 53 applicants. So Headlines matter, right?