fix image link

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

@@ -166,7 +166,7 @@ For your game, you will likely create custom particle textures. Look at the fire
 ----
 
 [.right]
-image::jme3/beginner/flame.png[flame.png,96,96]
+image::beginner/flame.png[flame.png,96,96]
 
 
 Compare the texture with the resulting effect.