Add more authoritative reference to 2.4.11 question about focus indic…

…ator being part of the component

index.html

@@ -599,8 +599,7 @@ <h2>2.4.11 <strong>Focus Not Obscured (Minimum)</strong> (AA)</h2>
 <section class="slide listing"><div>
     <div>
         <img class="bordered" src="images/focus-obscured-extreme2.png" alt="Screenshot of a site with a sticky header - a link in the underlying main content has focus, and is completely covered except for the bottom 1px border of the focus indicator just peeking out from underneath the header">
-        <p>arguably … not <strong>entirely</strong> hidden</p>
-        <p><small>(some disagree whether or not <a target=_blank rel=noopener href="https://mastodon.world/@siblingpastry/110779943577047394">focus indicator is part of the user interface component</a>)</small></p>
+        <p>arguably … not <strong>entirely</strong> hidden<br><small>(but is the focus indicator part of the component? <a target=_blank rel=noopener href="https://github.com/w3c/wcag/issues/3529">wcag/issues/3529</a>)</small></p>
     </div>
 </div></section>