fix image link

docs/modules/tutorials/pages/beginner/hello_animation.adoc

@@ -8,7 +8,7 @@
 This tutorial shows how to add an animation controller and channels, and how to respond to user input by triggering an animation in a loaded model.
 
 
-image::jme3/beginner/beginner-animation.png[beginner-animation.png,width="",height="",align="center"]
+image::beginner/beginner-animation.png[beginner-animation.png,width="",height="",align="center"]