Docs/mm/damon/maintainer-profile: fix reference links for mm-[un]stable tree

Patch series "Docs/mm/damon: misc readability improvements".

Fix trivial mistakes and improve layout of information on different
documents for DAMON.


This patch (of 5):

A couple of sentences on maintainer-profile.rst are having reference links
for mm-unstable and mm-stable trees with wrong rst markup.  Fix those.

Link: https://lkml.kernel.org/r/20240217005842.87348-1-sj@kernel.org
Link: https://lkml.kernel.org/r/20240217005842.87348-2-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>