bug#46853: Confusing terminology "face height" instead of "font size"

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Date: Mon, 01 Mar 2021 18:12:59 +0100
> Cc: 46853@debbugs.gnu.org
> 
> Stefan Kangas <stefan@marxist.se> writes:
> 
> >    "Adjust the font size in the current buffer by INC steps."
> 
> But...  is that correct?  I thought the command only adjusted the size
> of the font of the default face (*phew*)...

Yes.  So:

  Adjust size of the default face's font in current buffer by INC steps.

(with some "the" omitted for brevity).