title: how do i get error documentation hint in xcode
body: <p><a href="https://i.stack.imgur.com/RyZjm.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/RyZjm.png" alt="enter image description here" /></a></p>
  <p>I'm watching a tutorial and a question mark shows up by the purple error message with a link straight to the docs that answers why. I'm losing what's left of my sanity trying to figure out how to turn that feature on. Does anyone know how? Latest version of Xcode btw.</p>