[#11337] Added a deprecation directive

wouterj · wouterj · commit 6d4b9f20ce43 · 2019-08-12T13:04:30.000+02:00
diff --git a/routing/custom_route_loader.rst b/routing/custom_route_loader.rst
@@ -211,9 +211,14 @@ of the service whose ID is ``admin_route_loader``. Your service doesn't have to
 extend or implement any special class, but the called method must return a
 :class:`Symfony\\Component\\Routing\\RouteCollection` object.
 
-If you're using :ref:`autoconfigure <services-autoconfigure>`, your service should
-implement the ``RouteLoaderInterface`` interface to be tagged automatically.
-If you're **not using autoconfigure**, tag it manually with ``routing.route_loader``.
+If you're using :ref:`autoconfigure <services-autoconfigure>`, your class should
+implement the :class:`Symfony\\Bundle\\FrameworkBundle\\Routing\\RouteLoaderInterface`
+interface to be tagged automatically. If you're **not using autoconfigure**,
+tag it manually with ``routing.route_loader``.
+
+.. deprecated:: 4.4
+
+    Not tagging or implementing your route loader was deprecated in Symfony 4.4.
 
 .. note::
 
