Fixed grammar: Designate -> Differentiate in docs/design_philosophies.txt
Fixed grammar: Designate -> Differentiate in docs/design_philosophies.txt

git-svn-id: http://code.djangoproject.com/svn/django/trunk@3438 bcc190cf-cafb-0310-a4f2-bffc1f526a37

--HG--
extra : convert_revision : e608207f2e20c47873b1bf3e11bb489e001b0da3

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