status: 2023q2: memory compaction: fixes, grammar

Add a missing line break.

https://reviews.freebsd.org/D407724
and
https://reviews.freebsd.org/D407725
are non-existent.

For a non-person, use something other than 'whose'.

Approved-by: salvadore
Fixes: dec7526dc3 Status/2023Q2/compaction.adoc: Add report
Pull-request: https://github.com/freebsd/freebsd-doc/pull/204