bug#23429: 25.0.90; `dired-do-find-regexp' doc string

[Eli Zaretskii]

> Date: Mon, 2 May 2016 11:26:11 -0700 (PDT)
> From: Drew Adams <drew.adams@oracle.com>
> 
> But you need to specify whether ALL files and ALL subdirs in
> a marked subdir are acted on, or just the marked files and 
> marked subdirs in a marked subdir.
> 
> Here's one possibility (from Dired+):
> 
>   The files searched are those that are marked in the current
>   Dired buffer.  Marked subdirectories are handled recursively
>   in the same way.
> 
> Dunno whether that is the behavior you have, but you see that
> there are several possibilities.

Fixed, thanks.