Fix tool mode section reference position

tutorials/scripting/gdscript/gdscript_basics.rst

@@ -1417,8 +1417,6 @@ Exports
 
     Documentation about exports has been moved to :ref:`doc_gdscript_exports`.
 
-.. _doc_gdscript_tool_mode:
-
 
 Properties
 ~~~~~~~~~~
@@ -1468,6 +1466,8 @@ you can use a different notation to use existing class functions::
 
 This can also be done in the same line.
 
+.. _doc_gdscript_tool_mode:
+
 Tool mode
 ~~~~~~~~~