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-rw-r--r--doc/src/sgml/ref/pgupgrade.sgml3
1 files changed, 2 insertions, 1 deletions
diff --git a/doc/src/sgml/ref/pgupgrade.sgml b/doc/src/sgml/ref/pgupgrade.sgml
index 6dafb404a11..d51146d641d 100644
--- a/doc/src/sgml/ref/pgupgrade.sgml
+++ b/doc/src/sgml/ref/pgupgrade.sgml
@@ -326,7 +326,8 @@ NET STOP postgresql-&majorversion;
against the old primary and standby clusters. Verify that the
<quote>Latest checkpoint location</quote> values match in all clusters.
(There will be a mismatch if old standby servers were shut down
- before the old primary.) Also, change <varname>wal_level</varname> to
+ before the old primary or if the old standby servers are still running.)
+ Also, change <varname>wal_level</varname> to
<literal>replica</literal> in the <filename>postgresql.conf</filename> file on the
new primary cluster.
</para>