bug#43636: 28.0.50; About Emacs, shall be descriptive and point to Info file

[Eli Zaretskii]

> Date: Sun, 27 Sep 2020 09:52:15 +0300
> From: Jean Louis <bugs@gnu.support>
> Cc: 43636@debbugs.gnu.org
> 
> For me it is: general computing environment

That sounds too general and abstract to be useful.  E.g., I could say
the same about any modern OS.