fix xref

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

@@ -367,7 +367,7 @@ inputManager.addMapping("Pause",  new KeyTrigger(usersPauseKey));
 ----
 .  Switch off the flyCam and override the WASD keys.
 +
-TIP: Use xref:ROOT:jme3/faq.adoc#how-do-i-switch-between-third-person-and-first-person-view[flyCam.setEnabled(false);]
+TIP: Use xref:tutorials:intermediate/faq.adoc#how-do-i-switch-between-third-person-and-first-person-view[flyCam.setEnabled(false);]
 
 
 [IMPORTANT]