Fixed #17757 - Typo in docs/intro/overview.txt; thanks kaushik1618.
Fixed #17757 - Typo in docs/intro/overview.txt; thanks kaushik1618.

git-svn-id: 554f83ef17aa7291f84efa897c1acfc5d0035373@17584 bcc190cf-cafb-0310-a4f2-bffc1f526a37

svn2github/django,svn2github/django,svn2github/django