* When the button is pressed, the actor will receive an event and adjust the color of its button face
* element.
*
- * \section scene_dali Why does Dali internally have a second scene graph?
+ * \section scene_internal Why does Dali internally have a second scene graph?
* Actors and elements are contained in a scene graph which deals with input, layout and some animation
* it doesn't perform any drawing.
*