bug#31580: sensible instead of sensitive

[Eli Zaretskii]

> From: Seppo Ronkainen <sodr80@gmail.com>
> Date: Thu, 24 May 2018 13:01:43 +0200
> 
> I was reading
> https://www.gnu.org/software/emacs/manual/html_node/emacs/FFAP.html
> 
> and then observed what I think is a typo, my mind expected the word 
> "sensible" but my eyes saw the word
> "sensitive"
> 
> The FFAP package replaces certain key bindings for finding files, such as C-x 
> C-f, with commands that
> provide more sensitive defaults.

Thanks, fixed.