Issue with _redirects

Hi. I have an issue with my _redirects file. I would like to proxy on the path "/" to redirect to "/waitlist_landing_page.html." However, when I go to "/", although it does render the HTML file, it also immediately rewrites the path to "/waitlist_landing_page" for some reason. How do I make it such that the path doesn't rewrite and remains as "/" while simultaneously rendering the HTML file. This is what my code looks like: