gitbook link broken in spanish

Hello everybody,

great job and congratulation, the site is a useful tool (sorry for my poor english).

I found a link broken in

http://git-scm.com/book/es


   3. Ramificaciones en Git
   <http://git-scm.com/book/es/Ramificaciones-en-Git>

  1. 3.1 ¿Qué es una rama?
     <http://git-scm.com/book/es/Ramificaciones-en-Git-%C2%BFQu%C3%A9-es-una-rama?>




http://git-scm.com/book/es/Ramificaciones-en-Git-%C2%BFQu%C3%A9-es-una-rama?

response a 505 error. Another subcharpets with occidental characters have the same problem.


Thanks to all.

-- 
Martín Ochoa
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CR+DIB+DG+PRG
(54 11) (15) 68 84 61 42
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