When Google shows outdated info, fixing it depends on your access. If you...

https://garrettwigp625.tearosediner.net/what-should-i-do-if-google-shows-the-wrong-snippet-for-your-homepage

When Google shows outdated info, fixing it depends on your access. If you control the site, update the page and use the "Refresh Outdated Content" tool. If you don't own the site or the page is gone, use the Search Console Removals tool to hide it quickly