Rewrote the description text a wee bit

git-svn-id: https://flot.googlecode.com/svn/trunk@191 1e0a6537-2640-0410-bfb7-f154510ff394

examples/navigate.html

@@ -32,12 +32,13 @@
 
     <p class="message"></p>
 
-    <p>With the navigate plugin it is easy to add panning and
-    zooming. Drag to pan, double click to zoom. The plugin fires
-    events (useful for synchronizing several plots) and adds a
-    couple of public methods so you can easily build
-    a little user interface around it, like the little buttons
-    at the top right in the plot.</p>
+    <p>With the navigate plugin it is easy to add panning and zooming.
+    Drag to pan, double click to zoom (or use the mouse scrollwheel).</p>
+
+    <p>The plugin fires events (useful for synchronizing several
+    plots) and adds a couple of public methods so you can easily build
+    a little user interface around it, like the little buttons at the
+    top right in the plot.</p>
     
 
 <script id="source" language="javascript" type="text/javascript">