diff --git a/index.html b/index.html
index acaf71d..1ed0186 100644
--- a/index.html
+++ b/index.html
@@ -171,7 +171,17 @@ <h3>
       <h3>
         Providing fallback content for legacy user agents
       </h3>
-      <aside class="issue" data-number="22"></aside>
+      <aside class="example">
+        <p>
+          The following example shows the inclusion of fallback content:
+        </p>
+        <pre class="html">
+           &lt;model&gt; 
+              &lt;source src="3d-assets/teapot"&gt;
+              &lt;img src="images/teapot-fallback-thumbnail.png"&gt; 
+           &lt;/model&gt;
+         </pre>
+      </aside>
       <h3>
         Making `model` accessible
       </h3>