-s not specified by posix; from Daniel Dickman

usr.bin/sort/sort.1

@@ -1,4 +1,4 @@
-.\"	$OpenBSD: sort.1,v 1.31 2007/08/21 21:22:37 millert Exp $
+.\"	$OpenBSD: sort.1,v 1.32 2008/10/01 06:39:18 jmc Exp $
 .\"
 .\" Copyright (c) 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -32,7 +32,7 @@
 .\"
 .\"     @(#)sort.1	8.1 (Berkeley) 6/6/93
 .\"
-.Dd $Mdocdate: August 21 2007 $
+.Dd $Mdocdate: October 1 2008 $
 .Dt SORT 1
 .Os
 .Sh NAME
@@ -384,7 +384,7 @@ utility is compliant with the
 specification.
 .Pp
 The flags
-.Op Fl HRTz
+.Op Fl HRsTz
 are extensions to that specification.
 .Sh HISTORY
 A