improved sample description
<h1>Animate 3d Graphic</h1>
-<p>Demonstrates how to animate a graphic's position and rotation and follow using an OrbitGeoElementCameraController.
-Also shows how to combine a SceneView and MapView in an MVC application with property binding.</p>
+<p>This MVC application demonstrates following a graphic with an OrbitGeoElementCameraControler while animating its
+position and orientation.</p>
<p><img src="Animate3dGraphic.png"/></p>
