===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/file/file.1,v
retrieving revision 1.41
retrieving revision 1.42
diff -u -r1.41 -r1.42
--- src/usr.bin/file/file.1	2015/04/27 11:12:49	1.41
+++ src/usr.bin/file/file.1	2015/05/30 06:25:35	1.42
@@ -1,4 +1,4 @@
-.\" $OpenBSD: file.1,v 1.41 2015/04/27 11:12:49 jmc Exp $
+.\" $OpenBSD: file.1,v 1.42 2015/05/30 06:25:35 nicm Exp $
 .\" $FreeBSD: src/usr.bin/file/file.1,v 1.16 2000/03/01 12:19:39 sheldonh Exp $
 .\"
 .\" Copyright (c) 2015 Nicholas Marriott <nicm@openbsd.org>
@@ -28,7 +28,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: April 27 2015 $
+.Dd $Mdocdate: May 30 2015 $
 .Dt FILE 1
 .Os
 .Sh NAME
@@ -73,6 +73,13 @@
 or
 .Em data
 meaning anything else.
+.Pp
+If
+.Ar file
+is a single dash
+.Pq Sq - ,
+.Nm
+reads from the standard input.
 .Pp
 The options are as follows:
 .Bl -tag -width indent