Fixed #18281 -- Misleading wording in the tutorial.

Thanks bhp for the report.

docs/intro/tutorial03.txt

@@ -332,8 +332,9 @@ provides a shortcut. Here's the ``detail()`` view, rewritten::
 
 The :func:`~django.shortcuts.get_object_or_404` function takes a Django model
 as its first argument and an arbitrary number of keyword arguments, which it
-passes to the module's :meth:`~django.db.models.query.QuerySet.get` function.
-It raises :exc:`~django.http.Http404` if the object doesn't exist.
+passes to the :meth:`~django.db.models.query.QuerySet.get` function of the
+model's manager. It raises :exc:`~django.http.Http404` if the object doesn't
+exist.
 
 .. admonition:: Philosophy