Small corrections/improvements to DB optimization docs.
Small corrections/improvements to DB optimization docs.



git-svn-id: http://code.djangoproject.com/svn/django/trunk@13419 bcc190cf-cafb-0310-a4f2-bffc1f526a37

--HG--
extra : convert_revision : 726323d4f7822365d1e42bada56babbb2d164ba3

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