diff --git a/doc/src/sgml/func/func-sequence.sgml b/doc/src/sgml/func/func-sequence.sgml
index de266c36296..9301faa67d2 100644
--- a/doc/src/sgml/func/func-sequence.sgml
+++ b/doc/src/sgml/func/func-sequence.sgml
@@ -163,13 +163,15 @@ SELECT setval('myseq', 42, false);    <lineannotation>Next <function>nextval</fu
         <structfield>is_called</structfield> indicates whether the sequence has
         been used. <structfield>page_lsn</structfield> is the LSN corresponding
         to the most recent WAL record that modified this sequence relation.
-        This function returns a row of NULL values if the sequence does not
-        exist or if the current user lacks privileges on it.
+        This function returns a row of NULL values if the specified relation
+        OID does not exist, if it is not a sequence, if the current user lacks
+        <literal>SELECT</literal> privilege on the sequence, if the sequence
+        is another session's temporary sequence, or if it is an unlogged
+        sequence on a standby server.
        </para>
        <para>
         This function is primarily intended for internal use by pg_dump and by
-        logical replication to synchronize sequences. It requires
-        <literal>SELECT</literal> privilege on the sequence.
+        logical replication to synchronize sequences.
        </para></entry>
       </row>
      </tbody>
