Tiny doc fix. Thanks kizzo.

Fixtures are a way of loading data into the database in bulk. Fixure data

can be stored in any serializable format (including JSON and XML). Fixtures

are identified by name, and are stored in either a directory named 'fixtures'

in the application directory, on in one of the directories named in the

in the application directory, or in one of the directories named in the

``FIXTURE_DIRS`` setting.

"""