diff --git a/doc/src/sgml/ref/pgupgrade.sgml b/doc/src/sgml/ref/pgupgrade.sgml
index f4a64615f3..63cb5cbc67 100644
--- a/doc/src/sgml/ref/pgupgrade.sgml
+++ b/doc/src/sgml/ref/pgupgrade.sgml
@@ -515,9 +515,10 @@ pg_upgrade.exe
Save any configuration files from the old standbys' configuration
- directories you need to keep, e.g. postgresql.conf,
- pg_hba.conf, because these will be overwritten or
- removed in the next step.
+ directories you need to keep, e.g. postgresql.conf
+ (and any files included by it), postgresql.auto.conf,
+ pg_hba.conf, because these will be overwritten
+ or removed in the next step.
@@ -605,7 +606,8 @@ rsync --archive --delete --hard-links --size-only --no-inc-recursive /vol1/pg_tb
If you modified pg_hba.conf, restore its original settings.
It might also be necessary to adjust other configuration files in the new
- cluster to match the old cluster, e.g. postgresql.conf.
+ cluster to match the old cluster, e.g., postgresql.conf
+ (and any files included by it), postgresql.auto.conf.