Update docs/user-guide/rasa-tutorial.rst

Author: TyDunn

docs/user-guide/rasa-tutorial.rst

@@ -224,7 +224,7 @@ different model parts if something has changed in their data or configuration.
 The ``rasa train`` command will look for both NLU and Core data and will train a combined model.
 
 7. Test the Assistant
-^^^^^^^^^^^^^^^^^
+^^^^^^^^^^^^^^^^^^^^^
 
 After you train a model, you always want to check that your assistant still behaves as you expect.
 In Rasa Open Source, you use end-to-end tests defined in your ``tests/`` directory to run through