fix links

docs/modules/core/pages/export/save_and_load.adoc

@@ -11,7 +11,7 @@ The jMonkeyEngine's binary file format is called `.j3o`. You can convert, view a
 
 [IMPORTANT]
 ====
-The jMonkeyEngine's serialization system is the `com.jme3.export.Savable` interface. JME3's BinaryExporter can write standard Java objects, JME3 objects, and primitive data types that are included in a xref:jme3/advanced/spatial.adoc[spatial's user data]. If you use custom game data classes, see below how to make them “Savable.
+The jMonkeyEngine's serialization system is the `com.jme3.export.Savable` interface. JME3's BinaryExporter can write standard Java objects, JME3 objects, and primitive data types that are included in a xref:scene/spatial.adoc[spatial's user data]. If you use custom game data classes, see below how to make them "`Savable`".
 ====
 
 

docs/modules/tutorials/pages/concepts/the_scene_graph.adoc

@@ -87,7 +87,7 @@ These default settings are called "`WASD`" keys and "`Mouse`" Look. You can cust
 
 == Scene Graph and RootNode
 
-The _scene graph_ represents your 3D world. Objects in the jME3 scene graph are called xref:jme3/advanced/spatial.adoc[Spatial]s. Everything attached to the parent _rootNode_ is part of your scene. Your game inherits the `rootNode` object from the `SimpleApplication` class.
+The _scene graph_ represents your 3D world. Objects in the jME3 scene graph are called xref:core/scene/spatial.adoc[Spatial]s. Everything attached to the parent _rootNode_ is part of your scene. Your game inherits the `rootNode` object from the `SimpleApplication` class.
 
 
 image::tutorials:concepts/scene-graph.png[scene-graph.png,width="",height="",align="center"]
@@ -150,6 +150,6 @@ Before you start creating your game, you should plan your scene graph: Which Nod
 
 == See also
 
-*  xref:jme3/advanced/spatial.adoc[Spatial] – More details about working with Nodes and Geometries
+*  xref:core/scene/spatial.adoc[Spatial] – More details about working with Nodes and Geometries
 *  xref:jme3/advanced/traverse_scenegraph.adoc[Traverse SceneGraph] – Find any Node or Geometry in the scenegraph.
 *  xref:jme3/advanced/camera.adoc[Camera] – Learn more about the Camera in the scene.