diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index ac6347a971..819f2c8914 100644
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -26563,6 +26563,7 @@ postgres=# SELECT * FROM pg_walfile_name_offset(pg_stop_backup());
         be <literal>pg_catalog</literal>, but that is not a requirement; the
         collations could be installed into some other schema as well.  The
         function returns the number of new collation objects it created.
+        This function is restricted to superusers.
        </para></entry>
       </row>
      </tbody>