diff --git a/doc/source/topics/workflows.rst b/doc/source/topics/workflows.rst
index 6b28deacf..fe6bf661e 100644
--- a/doc/source/topics/workflows.rst
+++ b/doc/source/topics/workflows.rst
@@ -92,6 +92,7 @@ urls, views, workflows and templates:
             # data and the steps needs to be ordered properly.
 
     class UpdateResources(workflows.Step):
+        action_class = ResourcesAction
         # This passes data from Workflow context to action methods
         # (handle, clean). Workflow context consists of URL data and data
         # contributed by other steps.