diff --git a/tutorials/scripting/singletons_autoload.rst b/tutorials/scripting/singletons_autoload.rst
index 321968827..4e7a49ed1 100644
--- a/tutorials/scripting/singletons_autoload.rst
+++ b/tutorials/scripting/singletons_autoload.rst
@@ -99,6 +99,11 @@ you'll see the autoloaded nodes appear:
 
 .. image:: img/autoload_runtime.png
 
+.. warning::
+
+    Autoloads must **not** be removed using ``free()`` or ``queue_free()`` at
+    runtime, or the engine will crash.
+
 Custom scene switcher
 ---------------------