Fix step reference in parallelism example

This regressed in 52c3ca8.

Author: cnrad

source

@@ -1651,7 +1651,7 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
    </ol>
 
    <p>Two invocations of the above could run simultaneously, meaning <var>name</var> isn't in
-   <var>nameList</var> during step 2.1, but it <em>might be added</em> before step 2.3 runs,
+   <var>nameList</var> during step 3.1, but it <em>might be added</em> before step 3.3 runs,
    meaning <var>name</var> ends up in <var>nameList</var> twice.</p>
 
    <p>Parallel queues solve this. The standard would let <var>nameListQueue</var> be the result of
@@ -147654,6 +147654,7 @@ INSERT INTERFACES HERE
   Cole Robison,
   Colin Fine,
   Collin Jackson,
+  Conrad Crawford, <!-- cnrad on GitHub -->
   Corey Farwell,
   Corprew Reed,
   Craig Cockburn,