Update physics.adoc

Moved model.addControl(new RigidBodyControl(0)); statement to new line.

src/docs/asciidoc/jme3/advanced/physics.adoc

@@ -408,7 +408,8 @@ When you import a model from blender, it often comes as a Node (even if it only
 
 // Doesn't scale
 // This modified version contains Node -> Geometry (name = "MonkeyHeadGeom")
-Spatial model = assetManager.loadModel("Models/MonkeyHead.j3o"); model.addControl(new RigidBodyControl(0));
+Spatial model = assetManager.loadModel("Models/MonkeyHead.j3o"); 
+model.addControl(new RigidBodyControl(0));
 // Won't work as this is now a CompoundCollisionShape containing a MeshCollisionShape
 model.getControl(RigidBodyControl.class).getCollisionShape().setScale(new Vector3f(2, 2, 2)); 
 bulletAppState.getPhysicsSpace().add(model);