fix link

docs/modules/core/pages/asset/asset_manager.adoc

@@ -285,7 +285,7 @@ Convert assets as described above.
 
 [IMPORTANT]
 ====
-If you don't use the SDK for some reason, you can still convert models to j3o format: Load any model in Ogre3D or Wavefront format with the AssetManager.loadModel() as a spatial. Then save the spatial as j3o file using xref:jme3/advanced/save_and_load.adoc[BinaryExporter].
+If you don't use the SDK for some reason, you can still convert models to j3o format: Load any model in Ogre3D or Wavefront format with the AssetManager.loadModel() as a spatial. Then save the spatial as j3o file using xref:export/save_and_load.adoc[BinaryExporter].
 ====