relnotes: update for non-exclusive backup mode removal

bmomjian · bmomjian · commit da82c6246986 · 2022-05-11T22:01:46.000-04:00
Reported-by: Ian Lawrence Barwick Discussion: https://postgr.es/m/CAB8KJ=jmLBMAmxjcew12-yntb7m3FH-8A2+Qb7+RybZp1w9GOg@mail.gmail.com
diff --git a/doc/src/sgml/release-15.sgml b/doc/src/sgml/release-15.sgml
@@ -88,7 +88,8 @@ Remove exclusive backup mode (David Steele, Nathan Bossart)
 </para>
 
 <para>
-If the database server stops abruptly while in this mode, the server could fail to start.  The non-exclusive backup mode requires a continuous database connection during the backup.
+If the database server stops abruptly while in this mode, the server could fail to start.  The non-exclusive backup mode requires a continuous database connection during the
+backup.  Functions pg_start_backup()/pg_stop_backup() have been renamed to pg_backup_start()/pg_backup_stop(), and the functions pg_backup_start_time() and pg_is_in_backup() have been removed.
 </para>
 </listitem>
 
