Fix description of how the default user name is chosen

When Who What
2022-11-24 08:11:44 Peter Eisentraut (petere) Closed in commitfest 2022-11 with status: Committed
2022-11-24 08:11:44 Peter Eisentraut (petere) Changed committer to petere
2022-10-31 13:42:08 Peter Eisentraut (petere) New status: Waiting on Author
2022-10-26 08:45:33 Peter Eisentraut (petere) Added petere as reviewer
2022-10-20 15:23:23 Arne Roland (harks) Changed reviewers to
2022-10-12 06:48:38 Michael Paquier (michael-kun) Closed in commitfest 2022-09 with status: Moved to next CF
2022-08-04 10:26:07 Arne Roland (harks) Added harks as reviewer
2022-08-01 22:16:31 Jacob Champion (jchampion) Closed in commitfest 2022-07 with status: Moved to next CF
2022-06-20 17:47:44 David Johnston (polobo) Changed authors to David Johnston (polobo)
2022-06-20 17:47:37 David Johnston (polobo) Attached mail thread CAKFQuwZUhgz=sUi+wGQV-PBTNjMovuA-BOV88RV-Vw0m0drCAg@mail.gmail.com
2022-06-20 17:47:37 David Johnston (polobo) Created patch record