Fixed #14489 -- Corrected code example in class-based views docs. Thanks to...

Fixed #14489 -- Corrected code example in class-based views docs. Thanks to cwhaines for the report. Also includes title capitalization fix, reported by apollo13.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@14261 bcc190cf-cafb-0310-a4f2-bffc1f526a37