Improve comment on cid mapping

When Who What
2023-06-30 15:32:56 Heikki Linnakangas (heikki) Changed reviewers to Andres Freund (andresfreund)
2023-06-30 15:32:42 Heikki Linnakangas (heikki) Closed in commitfest 2023-07 with status: Committed
2023-06-30 15:32:42 Heikki Linnakangas (heikki) Changed committer to heikki
2023-06-26 06:58:53 Heikki Linnakangas (heikki) Changed authors to Heikki Linnakangas (heikki)
2023-06-26 06:58:42 Heikki Linnakangas (heikki) Attached mail thread CAEze2WhmU8WciEgaVPZm71vxFBOpp8ncDc=SdEHHsW6HS+k9zw@mail.gmail.com
2023-06-26 06:58:42 Heikki Linnakangas (heikki) Created patch record