[docs] format specicifation language missing character in example

[Sandro Tosi]

Hello Anthon,
thanks for your report.

On Fri, Dec 23, 2011 at 16:54, Anthon van der Neut <anthon at mnt.org> wrote:
>>>> 'Correct answers: {:.2%}.'.format(points/total)
> 'Correct answers: 88.64%'
>
> There should be a '.' (dot) before the closing quote in the last line.

I think actually is the dot in the >>> line that has to be removed
(for uniformity with all the other examples) and so I just did with
these changesets: a1edc6e4b49c 6be3cbbe5013 b2f1518660a8

Regards,
-- 
Sandro Tosi (aka morph, morpheus, matrixhasu)
My website: http://matrixhasu.altervista.org/
Me at Debian: http://wiki.debian.org/SandroTosi