diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index bae7df1..05f3bbf 100644
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -20337,8 +20337,10 @@ postgres=# SELECT * FROM pg_walfile_name_offset(pg_stop_backup());
     See <xref linkend="streaming-replication"/>,
     <xref linkend="streaming-replication-slots"/>, and
     <xref linkend="replication-origins"/>
-    for information about the underlying features.  Use of these
-    functions is restricted to superusers.
+    for information about the underlying features.
+    Use of functions for replication origin is restricted to superusers.
+    Use of functions for replication slot is restricted to superusers
+    and users having <literal>REPLICATION</literal> privilege.
    </para>
 
    <para>