The following documentation comment has been logged on the website:
Page: https://www.postgresql.org/docs/10/runtime-config-wal.html
Description:
This page: https://www.postgresql.org/docs/10/runtime-config-wal.html
(And probably others in other versions) has – I believe – an error in the
description for "wal_writer_delay".
It says "woken up by an asynchronously committing transaction". I suspect
that should read "synchronously".