fix organization wording in psql's \copyright command

It looks like \copyright didn't get updated in commit 5987553.  I plan to
back-patch this down to v13 once the tag for 18beta2 is pushed.

diff --git a/src/bin/psql/help.c b/src/bin/psql/help.c
index a2e009ab9be..8c62729a0d1 100644
--- a/src/bin/psql/help.c
+++ b/src/bin/psql/help.c
@@ -748,7 +748,7 @@ void
 print_copyright(void)
 {
     puts("PostgreSQL Database Management System\n"
-         "(formerly known as Postgres, then as Postgres95)\n\n"
+         "(also known as Postgres, formerly known as Postgres95)\n\n"
          "Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group\n\n"
          "Portions Copyright (c) 1994, The Regents of the University of California\n\n"
          "Permission to use, copy, modify, and distribute this software and its\n"

-- 
nathan