Camera#contains javadoc updated

jme3-core/src/main/java/com/jme3/renderer/Camera.java

@@ -1006,13 +1006,13 @@ public class Camera implements Savable, Cloneable {
      * on the negative side of the plane is can be culled out.
      *
      * NOTE: This method is used internally for culling, for public usage,
-     * the plane state of the bounding volume must be saved and restored, e.g:
+     * the plane state of the camera must be saved and restored, e.g:
      * <code>BoundingVolume bv;<br>
      * Camera c;<br>
-     * int planeState = bv.getPlaneState();<br>
-     * bv.setPlaneState(0);<br>
+     * int planeState = c.getPlaneState();<br>
+     * c.setPlaneState(0);<br>
      * c.contains(bv);<br>
-     * bv.setPlaneState(plateState);<br>
+     * c.setPlaneState(plateState);<br>
      * </code>
      *
      * @param bound the bound to check for culling