Hello
Thank you for report. This is already fixed in stable branch in [1]. Documentation update will be published on the site next week along with release 12.2.
* https://postgr.es/m/CADK3HH+xQLhcPgg=kWqfogtXGGZr-JdSo=x=WQC0PkAVyxUWyQ@mail.gmail.com
regards, Sergei