diff --git a/man3/ptsname.3 b/man3/ptsname.3
index 87563ea93..fde1a0f5f 100644
--- a/man3/ptsname.3
+++ b/man3/ptsname.3
@@ -100,7 +100,11 @@ is part of the UNIX 98 pseudoterminal support (see
 .BR pts (4)).
 
 .BR ptsname_r ()
-is a Linux extension.
+is a Linux extension, that is proposed for inclusion
+.\" FIXME . for later review when Issue 8 is one day released
+.\" http://austingroupbugs.net/tag_view_page.php?tag_id=8
+.\" http://austingroupbugs.net/view.php?id=508
+in the next major revision of POSIX.1 (Issue 8).
 A version of this function is documented on Tru64 and HP-UX, but
 on those implementations, \-1 is returned on error, with
 .I errno