Addressing feedback from padenot@

Author: hoch

index.html

@@ -6712,7 +6712,7 @@ <h2 id="instantiation-of-AudioWorkletNode-and-AudioWorkletProcessor">
           <p>
             When <a>AudioWorkletNode</a>(<var>context</var>,
             <var>nodeName</var>, <var>options</var>) constructor is invoked,
-            the user agent must perform the following steps on the control
+            the user agent MUST perform the following steps on the control
             thread, where the constructor was called.
           </p>
           <ol>
@@ -6832,10 +6832,7 @@ <h2 id="instantiation-of-AudioWorkletNode-and-AudioWorkletProcessor">
             </li>
             <li>If <var>processor</var> does not implement the
             <a>AudioWorkletProcessor</a> interface, throw an
-            <code>"InvalidStateError"</code> DOMException. NOTE: this can occur
-            if the author-supplied constructor uses JavaScript's
-            return-override feature, or does not properly call
-            <code>super()</code>.
+            <code>"InvalidStateError"</code> DOMException.
             </li>
             <li>Set <var>processor</var>'s <a href=
             "#widl-AudioWorkletProcessor-port">port</a> to
@@ -6998,6 +6995,14 @@ <h3>
 
 });
 </pre>
+            <div class="note">
+              <p>
+                In the definition of <a>AudioWorkletProcessor</a> class, an
+                <code>InvalidStateError</code> will be thrown if the
+                author-supplied constructor uses JavaScript's return-override
+                feature, or does not properly call <code>super()</code>.
+              </p>
+            </div>
           </section>
           <section>
             <h3>