Added another item to the instuctions

index.html

@@ -82,7 +82,8 @@ <h3 style="display:none;">FPS: <span id="fps">0</span></h3>
   <h1>Buzzmap</h1>
   <a id="download" href="https://github.com/marcelklehr/buzzmap/zipball/master">Download</a>
   <ul class="instr">
-     <li>Click on a node to view it's children. Click again to hide them.</li>
+    <li>Sort the nodes by dragging them around.</li>
+    <li>Click on a node to display it's children. Click again to hide them.</li>
     <li>Doubleclick to edit a node.</li>
   </ul>
   <a href="http://github.com/marcelklehr/buzzmap" target="_blank" id="fork"><img style="position: absolute; top: 0pt; right: 0pt; border: 0pt none; z-index:10000;" src="https://s3.amazonaws.com/github/ribbons/forkme_right_red_aa0000.png" alt="Fork me on GitHub"></a>