docs: fix typo in `authoring content.md` (#408)

Ben Schlegel

2023-08-24 9d2340e90b55fb9480e0901bc7360f3d72e688da

 quartz/components/DesktopOnly.tsx

@@ -4,9 +4,7 @@
  if (component) {
    const Component = component
    function DesktopOnly(props: QuartzComponentProps) {
      return <div class="desktop-only">
        <Component {...props} />
      </div>
      return <Component displayClass="desktop-only" {...props} />
    }

    DesktopOnly.displayName = component.displayName