diff --git a/rtfd/public/web/index.html b/rtfd/public/web/index.html
index badb0c4..6c52509 100644
--- a/rtfd/public/web/index.html
+++ b/rtfd/public/web/index.html
@@ -93,6 +93,12 @@
     <cite>Unknown</cite>
 </blockquote>
 
+<figure>
+<!-- or audio or video -->
+<img src="rel/dest" alt="figure/image">
+<figcaption>Caption for the figure.</figcaption>
+</figure>
+
 <kbd>kbd</kbd>
 
 <p><dfn>Def</dfn>Definition</p>
@@ -112,6 +118,16 @@ respecting non-br lf.
     <li><ins>ins</ins></li>
 </ul>
 
+<audio controls>
+<source src="rel/dest">
+KO audio
+</audio>
+
+<video controls>
+<source src="rel/dest">
+KO video
+</video>
+
 </main>
 
 <!-- footers -->