diff --git a/doc/src/sgml/ref/pgupgrade.sgml b/doc/src/sgml/ref/pgupgrade.sgml
index e81f11d0778..f4a64615f36 100644
--- a/doc/src/sgml/ref/pgupgrade.sgml
+++ b/doc/src/sgml/ref/pgupgrade.sgml
@@ -359,8 +359,8 @@ NET STOP postgresql-&majorversion;
Latest checkpoint location
values match in all clusters.
(There will be a mismatch if old standby servers were shut down
before the old primary or if the old standby servers are still running.)
- Also, change wal_level to
- replica in the postgresql.conf file on the
+ Also, make sure wal_level is not set to
+ minimal in the postgresql.conf file on the
new primary cluster.