bug#27341: updated patch to fix docstring

[Eli Zaretskii]

> From: Alex Branham <branham@utexas.edu>
> Date: Tue, 27 Jun 2017 07:32:06 +0200
> Cc: 27341@debbugs.gnu.org
> 
> No, I haven't. Do I need to for something this small? Happy to do so if it's 
> necessary. 

No, you don't.  But it's good to start the ball rolling anyway, so
that we could accept your future contributions without limitations.

Thanks.