Update markup example in step five to match actual markup

Author: mahoneycm

_includes/sxs/part-five.html

@@ -11,13 +11,13 @@ <h4 class="filename"><span class="material-icons" aria-hidden="true">description
 title: USWDS Tutorial
 ---
 </pre><pre class=add>
-&lt;section class="usa-banner" aria-label="Official government website"&gt;
+&lt;section class="usa-banner" aria-label="Official website of the United States government"&gt;
   &lt;div class="usa-accordion"&gt;
     &lt;header class="usa-banner__header"&gt;
 
     ...
 
-    &lt;/header"&gt;
+    &lt;/div&gt;
   &lt;/div&gt;
 &lt;/section&gt;</pre><pre class="blur">
 &lt;header class="opener"&gt;</pre>