Corrected markdown index

stream/index.md

@@ -4,13 +4,11 @@ layout: withjs
 extrajs:  <script>params = {}; params.get= {}; params.get.res = 5;</script>
           <script src="/static/js/stream/main.js"></script>
 ---
-<section>
-    <h2>Streaming simulator</h2>
-    <p>
-        In fact, it's not really streaming. The sphere is fully
-        preloaded and then, a mesh is created and vertices and faces
-        are dynamically added to this mesh as time goes by.
-    </p>
-    <div style="border-width:1px; border-style: solid;" id="container"></div>
-</section>
+## Streaming simulator
+
+In fact, it's not really streaming. The sphere is fully preloaded and then, a
+mesh is created and vertices and faces are dynamically added to this mesh as
+time goes by.
+
+<div style="border-width:1px; border-style: solid;" id="container"></div>