diff --git a/lib/libc/gen/ualarm.3 b/lib/libc/gen/ualarm.3
index cb746913bb9a..68c1e6a668ac 100644
--- a/lib/libc/gen/ualarm.3
+++ b/lib/libc/gen/ualarm.3
@@ -1,4 +1,4 @@
-.\"	$NetBSD: ualarm.3,v 1.7 1997/09/27 19:39:26 hubertf Exp $
+.\"	$NetBSD: ualarm.3,v 1.8 1997/11/25 18:03:45 kleink Exp $
 .\"
 .\" Copyright (c) 1986, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -41,8 +41,8 @@
 .Nd schedule signal after specified time
 .Sh SYNOPSIS
 .Fd #include <unistd.h>
-.Ft u_int 
-.Fn ualarm "u_int microseconds" "u_int interval"
+.Ft useconds_t
+.Fn ualarm "useconds_t microseconds" "useconds_t interval"
 .Sh DESCRIPTION
 .Bf -symbolic
 This is a simplified interface to setitimer(2).
@@ -86,6 +86,11 @@ is 2147483647.
 .Xr sleep 3 ,
 .Xr alarm 3 ,
 .Xr usleep 3
+.Sh STANDARDS
+The
+.Fn ualarm
+functions conforms to
+.St -xpg4.2 .
 .Sh HISTORY
 The
 .Fn ualarm