diff --git a/docs/source/asgi/examples/starlette/app.py b/docs/source/asgi/examples/starlette/app.py
index 3c5f8ce4..9dceca52 100644
--- a/docs/source/asgi/examples/starlette/app.py
+++ b/docs/source/asgi/examples/starlette/app.py
@@ -7,7 +7,7 @@
 
 # The `allowed_hosts` argument is required when running under HTTPS. It's
 # used for additional CSRF defence.
-admin = create_admin([Director, Movie], allowed_hosts=["my_site.com"])
+admin = create_admin(tables=[Director, Movie], allowed_hosts=["my_site.com"])
 
 
 router = Router(
diff --git a/piccolo_admin/endpoints.py b/piccolo_admin/endpoints.py
index 8bdbdec3..4de923bb 100644
--- a/piccolo_admin/endpoints.py
+++ b/piccolo_admin/endpoints.py
@@ -1201,7 +1201,8 @@ def create_admin(
 ):
     """
     :param tables:
-        Each of the tables will be added to the admin.
+        Each of the provided tables will be registered with the admin app and
+        editable/visible in the view. Tables must already exist (see Piccolo ORM).
     :param forms:
         For each :class:`FormConfig <piccolo_admin.endpoints.FormConfig>`
         specified, a form will automatically be rendered in the user interface,