-<img class="left" src="/images/toolbar-zoom.png" alt="Editor toolbar's zoom">
+<figure class="left">
+ <img src="/images/toolbar-zoom.png" alt="Editor toolbar's zoom">
+ <figcaption>
+ Editor toolbar's zoom
+ </figcaption>
+</figure>
<p>The zoom controls allow to navigate the session along both the time and track axes.</p>