Fixed #2118 -- Fixed typos in docs/add_ons.txt. Thanks, donarb@nwlink.com

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A set of Django template filters useful for adding a "human touch" to data.

To activate these filters, add ``'django.contrib.english'`` to your

``INSTALLED_APPS`` setting. Once you've done that, use ``{% load english %}``

To activate these filters, add ``'django.contrib.humanize'`` to your

``INSTALLED_APPS`` setting. Once you've done that, use ``{% load humanize %}``

in a template, and you'll have access to these filters:

apnumber