diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index 8a802fb225..ca111f0745 100644
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -27620,6 +27620,10 @@ SELECT convert_from(pg_read_binary_file('file_in_utf8.txt'), 'UTF8');
         platforms only), file creation time stamp (Windows only), and a flag
         indicating if it is a directory.
        </para>
+       <para>
+        If <parameter>filename</parameter> is a link, this function returns
+        information about the file or directory the link refers to.
+       </para>
        <para>
         This function is restricted to superusers by default, but other users
         can be granted EXECUTE to run the function.