bug#10334: 24.0.92; Doc fix

[Dani Moncayo]

> Here's what I think is a better version:
>
>  One reason to create a new buffer is to use it for making temporary
>  notes.  If you try to save it, Emacs asks for the file name to use.
>  The default value of the variable @code{major-mode} determines the
>  new buffer's major mode; the default value is Fundamental mode
>  (@pxref{Major Modes}).  However, the file name you give when saving
>  the buffer may cause Emacs to change the buffer's major mode as
>  appropriate for that file name.

That's fine with me.

-- 
Dani Moncayo