diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index 1be2b33261f..089fc8f099f 100644
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -17342,8 +17342,10 @@ postgres=# SELECT * FROM pg_xlogfile_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>