This referred to the legacy static URLs for docs, which are fortunately
gone.
To upgrade to PostgreSQL 16 RC 1 from earlier versions of PostgreSQL, you will
need to use a major version upgrade strategy, e.g. `pg_upgrade` or
`pg_dump` / `pg_restore`. For more information, please visit the documentation
-section on [upgrading](https://www.postgresql.org/docs/16/static/upgrading.html):
+section on [upgrading](https://www.postgresql.org/docs/16/upgrading.html):
-[https://www.postgresql.org/docs/16/static/upgrading.html](https://www.postgresql.org/docs/16/static/upgrading.html)
+[https://www.postgresql.org/docs/16/upgrading.html](https://www.postgresql.org/docs/16/upgrading.html)
Changes Since 16 Beta 3
-----------------------