No documentation on how pg_ctl is installed

The following documentation comment has been logged on the website:

Page: https://www.postgresql.org/docs/15/app-pg-ctl.html
Description:

I have used postgresql(at)14 for several years and have always used pg_ctl to
start the postgres server, check status etc.

I tried upgrading to postgresql(at)15 with the command brew install
postgresql(at)15 on a Mac from Terminal and pg_ctl is apparently not installed.
The Documentation page for pg_ctl goes into all kinds of detail about the
utility, the options to use, etc. but NOTHING about how it is installed,
troubleshooting when it doesn't work or when it is not found. Google
searches yield very little information also.

Fairly new to postgres - apologies for the newbie comments but a little more
documentation is needed here.