Invalid website links

PG Doc comments form <[email protected]> Sun, 06 Oct 2019 09:56:41 +0000
Newsgroups gmane.comp.db.postgresql.devel.documentation
Message-ID <[email protected]>
The following documentation comment has been logged on the website:

Page: https://www.postgresql.org/docs/12/gin-intro.html
Description:

Chapter 66.1: "The GIN implementation in PostgreSQL is primarily maintained
by Teodor Sigaev and Oleg Bartunov. There is more information about GIN on
their website." - website is pointing to:
http://www.sai.msu.su/~megera/wiki/Gin  which is invalid and responds with
"Site cannot be reached"