Small motd nit in 10.1

[Warren Block]

On Wed, 29 Oct 2014, Walter Hop wrote:

> I noticed that the motd has been updated, which is great.
> https://svnweb.freebsd.org/base/releng/10.1/etc/motd?revision=272461&view=markup
>
> However, the following line could be improved:
>  Show the version of FreeBSD installed:  uname -a
>
> I would recommend changing the line to:
>  Show the version of FreeBSD installed:  freebsd-version
>
> Users often confuse the kernel version (uname -a) with the actual FreeBSD version from the freebsd-version(1) command. Because of this, people needlessly worry whether their system was updated correctly after freebsd-update has run, because they erroneously check this with ?uname -a?. A small motd change will hopefully prevent that.

Sorry, I don't understand the source of confusion.

Besides the version, uname(1) also shows the architecture and kernel 
config file name.