While there, fix note under Dataset Quota in 20.8.
<https://github.com/freebsd/freebsd-doc/blob/main/documentation/content/en/books/handbook/zfs/_index.adoc> <https://github.com/freebsd/freebsd-doc/blob/main/documentation/content/en/books/handbook/zfs/_index.adoc#22-raid-z> <https://github.com/freebsd/freebsd-doc/blob/main/documentation/content/en/books/handbook/zfs/_index.adoc#8-zfs-features-and-terminology> Numbering has changed …