Fixed Broken Link (#9541)

ellwoodatfield changed the link to their day rate formula

contents/handbook/people/hiring-process/index.md

@@ -228,7 +228,7 @@ The final stage of our interview process is what we call a PostHog SuperDay. Thi
 
 The candidate will be working on a task that is similar to the day-to-day work someone in this role does at PostHog. They will also have the chance to meet a few of their potential direct team members, and if they haven’t already, our founders. This gives the candidate a chance to show off their skills, and for us to see the quality, speed and communication of the candidate. It is a demanding day of work.
 
-We will pay the candidate their 'normal day rate.' If they have done contracting before they will have one, but if not we can use [this formula](https://www.ellwoodatfield.com/event/how-to-calculate-out-your-day-rate/) to calculate it. If the candidate is unable to accept payment for the SuperDay, we will donate the amount to a charity of their choice from our [Project list](/handbook/growth/marketing/open-source-sponsorship) of sponsorships.
+We will pay the candidate their 'normal day rate.' If they have done contracting before they will have one, but if not we can use [this formula](https://www.ellwoodatfield.com/day-rate-caluclator) to calculate it. If the candidate is unable to accept payment for the SuperDay, we will donate the amount to a charity of their choice from our [Project list](/handbook/growth/marketing/open-source-sponsorship) of sponsorships.
 
 This day will be _the same_ task each time for a given role, to be shared with the candidate at the start of the day. The task is generally designed to be _too much_ work for one person to complete in a day, in order to get a sense of the person's ability to prioritize and get things done.