diff --git a/docs/intro/reusable-apps.txt b/docs/intro/reusable-apps.txt
index 58069dc10a..c5e94debc6 100644
--- a/docs/intro/reusable-apps.txt
+++ b/docs/intro/reusable-apps.txt
@@ -66,6 +66,7 @@ After the previous tutorials, our project should look like this::
         polls/
             __init__.py
             admin.py
+            apps.py
             migrations/
                 __init__.py
                 0001_initial.py