Fixed grammer in docs/releases/2.0.txt.
@@ -707,7 +707,7 @@ to remove usage of these features.
* The ``on_delete`` argument for ``ForeignKey`` and ``OneToOneField`` is now
required in models and migrations. Consider squashing migrations so that you
- have less of them to update.
+ have fewer of them to update.
* ``django.db.models.fields.add_lazy_relation()`` is removed.
