diff --git a/index b/index
index 69265982214..84f209419af 100644
--- a/index
+++ b/index
@@ -20310,8 +20310,9 @@ interface <dfn id=cuerangecallback>CueRangeCallback</dfn> {
 
      <li>
 
-      <p>If any of the following conditions are true, then jump back
-      to the step labelled <i>search loop</i>:</p>
+      <p>If any of the following conditions are true, then <a href=#queue-a-task>queue
+      a task</a> to <a href=#fire-a-simple-event>fire a simple event</a> called <code title=event-error><a href=#event-error>error</a></code> at the <var title="">candidate</var> element and then jump back to the step
+      labelled <i>search loop</i>:</p>
 
       <ul><li>The <var title="">candidate</var> element does not have a
        <code title=attr-source-src><a href=#attr-source-src>src</a></code> attribute.</li>
@@ -20345,6 +20346,10 @@ interface <dfn id=cuerangecallback>CueRangeCallback</dfn> {
      returns without aborting <em>this</em> one, then the load
      failed.</li>
 
+     <li><p><a href=#queue-a-task>Queue a task</a> to <a href=#fire-a-simple-event>fire a simple
+     event</a> called <code title=event-error><a href=#event-error>error</a></code> at the
+     <var title="">candidate</var> element.</li>
+
      <li><p>Return to the step labeled <i>search loop</i>.</li>
 
      <li><p><i>Waiting:</i> Set the <code title=dom-media-error><a href=#dom-media-error>error</a></code> attribute to a new
diff --git a/source b/source
index aea804f844b..8c2c2f0491a 100644
--- a/source
+++ b/source
@@ -21944,8 +21944,11 @@ interface <dfn>CueRangeCallback</dfn> {
 
      <li>
 
-      <p>If any of the following conditions are true, then jump back
-      to the step labelled <i>search loop</i>:</p>
+      <p>If any of the following conditions are true, then <span>queue
+      a task</span> to <span>fire a simple event</span> called <code
+      title="event-error">error</code> at the <var
+      title="">candidate</var> element and then jump back to the step
+      labelled <i>search loop</i>:</p>
 
       <ul>
 
@@ -21990,6 +21993,10 @@ interface <dfn>CueRangeCallback</dfn> {
      returns without aborting <em>this</em> one, then the load
      failed.</p></li>
 
+     <li><p><span>Queue a task</span> to <span>fire a simple
+     event</span> called <code title="event-error">error</code> at the
+     <var title="">candidate</var> element.</p></li>
+
      <li><p>Return to the step labeled <i>search loop</i>.</p></li>
 
      <li><p><i>Waiting:</i> Set the <code