diff --git a/bouncing/index.md b/bouncing/index.md
index 486918e..f78a56b 100644
--- a/bouncing/index.md
+++ b/bouncing/index.md
@@ -3,11 +3,9 @@ layout: withjs
 title: Bouncing cube
 extrajs: <script src="/static/js/bouncing/BouncingMain.js"></script>
 ---
-<section>
-    <h2>Bouncing cube</h2>
-    <p>
-        Click on the cube to make it jump !
-    </p>
-    <div id="container"></div>
-</section>
+## Bouncing cube
+
+Click on the cube to make it jump !
+
+<div id="container"></div>