diff --git a/docs/publish.rst b/docs/publish.rst
index 780933fc..cbd18a00 100644
--- a/docs/publish.rst
+++ b/docs/publish.rst
@@ -90,7 +90,7 @@ Publishing to Fly
 ::
 
     pip install datasette-publish-fly
-    datasette publish fly mydatabase.db
+    datasette publish fly mydatabase.db --app="my-app"
 
 Consult the `datasette-publish-fly README <https://github.com/simonw/datasette-publish-fly/blob/main/README.md>`__ for more details.