diff --git a/share/man/man4/man4.i386/gsc.4 b/share/man/man4/man4.i386/gsc.4
index 627898e946c9..139b3ef59b43 100644
--- a/share/man/man4/man4.i386/gsc.4
+++ b/share/man/man4/man4.i386/gsc.4
@@ -110,7 +110,7 @@ mode since the driver must know at what time the
 shall be reached.
 With this feature you are able to
 directly copy the scanner output into a pbm file with
-.Xr cat .
+.Xr cat 1 .
 Of course you can obtain a similar effect by using
 .Xr dd 1
 with the driver in