Fixed -- Clarified comments in QuerySet.select_related() example.
@@ -935,11 +935,13 @@ following models::
... then a call to ``Book.objects.select_related('author__hometown').get(id=4)``
will cache the related ``Person`` *and* the related ``City``::
+ # Hits the database with joins to the author and hometown tables.
b = Book.objects.select_related('author__hometown').get(id=4)
p = b.author # Doesn't hit the database.
c = p.hometown # Doesn't hit the database.
- b = Book.objects.get(id=4) # No select_related() in this example.
+ # Without select_related()...
+ b = Book.objects.get(id=4) # Hits the database.
p = b.author # Hits the database.
c = p.hometown # Hits the database.
