Small improvement to docs/model-api.txt
Small improvement to docs/model-api.txt

git-svn-id: http://code.djangoproject.com/svn/django/trunk@1306 bcc190cf-cafb-0310-a4f2-bffc1f526a37

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extra : convert_revision : 755bf9bedc989c9a0937d542c100122ec0302459

adieu/django-nonrel,heracek/django-nonrel,adieu/django-nonrel,adieu/django-nonrel,heracek/django-nonrel,heracek/django-nonrel