diff --git a/lib/libm/man/math.3 b/lib/libm/man/math.3
index d35dbcdfdd0a..6a82af129898 100644
--- a/lib/libm/man/math.3
+++ b/lib/libm/man/math.3
@@ -1,4 +1,4 @@
-.\"	$NetBSD: math.3,v 1.20 2006/03/15 22:09:06 wiz Exp $
+.\"	$NetBSD: math.3,v 1.21 2006/03/26 02:02:38 xtraeme Exp $
 .\"
 .\" Copyright (c) 1985 Regents of the University of California.
 .\" All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"	from: @(#)math.3	6.10 (Berkeley) 5/6/91
 .\"
-.TH MATH 3 "March 15, 2006"
+.TH MATH 3 "March 26, 2006"
 .UC 4
 .ds up \fIulp\fR
 .ds nn \fINaN\fR
@@ -98,6 +98,7 @@ sinh	sinh.3	hyperbolic function	3
 sqrt	sqrt.3	square root	1
 tan	tan.3	trigonometric function	3
 tanh	tanh.3	hyperbolic function	3
+trunc	trunc.3	nearest integral value	3
 y0	j0.3	Bessel function	???
 y1	j0.3	Bessel function	???
 yn	j0.3	Bessel function	???