Fix wrong variable name in "queue a microtask"

Closes #6742.

source

@@ -92125,10 +92125,10 @@ import "https://example.com/foo/../module2.mjs";</code></pre>
    <li><p>Set <var>microtask</var>'s <span data-x="concept-task-document">document</span> to
    <var>document</var>.</p></li>
 
-   <li><p>Set <var>task</var>'s <span>script evaluation environment settings object set</span> to an
-   empty <span>set</span>.</p></li>
+   <li><p>Set <var>microtask</var>'s <span>script evaluation environment settings object set</span>
+   to an empty <span>set</span>.</p></li>
 
-   <li><p><span>Enqueue</span> <var>task</var> on <var>event loop</var>'s <span>microtask
+   <li><p><span>Enqueue</span> <var>microtask</var> on <var>event loop</var>'s <span>microtask
    queue</span>.</p></li>
   </ol>
 
@@ -124696,6 +124696,7 @@ INSERT INTERFACES HERE
   Adam de Boor,
   Adam Hepton,
   Adam Klein,
+  Adam Rice,
   Adam Roben,
   Addison Phillips,
   Adele Peterson,