fix: Update section 5.7 note on liked collection per errata

index.html

@@ -1167,7 +1167,7 @@ <h2>Likes Collection</h2>
             <li>
               <b>liked:</b>
               Specifically a property of actors.
-              This is a collection of <code>Like</code> activities performed
+              This is a collection of objects liked
               <i>by the actor</i>,
               added to the collection as a
               <a href="#like-activity-outbox">