diff --git a/sbin/comcontrol/comcontrol.8 b/sbin/comcontrol/comcontrol.8
index bcb44e1088ee..8da3e0190149 100644
--- a/sbin/comcontrol/comcontrol.8
+++ b/sbin/comcontrol/comcontrol.8
@@ -52,7 +52,7 @@ startup script.
 .Xr sio 4
 .Sh FILES
 .Bl -tag -width Pa
-.It Pa /dev/sio??
+.It Pa /dev/ttyd?
 .Sh DIAGNOSTICS
 .Cm TIOCMSBIDIR: Inappropriate ioctl for device.
 .Pp
diff --git a/sbin/i386/comcontrol/comcontrol.8 b/sbin/i386/comcontrol/comcontrol.8
index bcb44e1088ee..8da3e0190149 100644
--- a/sbin/i386/comcontrol/comcontrol.8
+++ b/sbin/i386/comcontrol/comcontrol.8
@@ -52,7 +52,7 @@ startup script.
 .Xr sio 4
 .Sh FILES
 .Bl -tag -width Pa
-.It Pa /dev/sio??
+.It Pa /dev/ttyd?
 .Sh DIAGNOSTICS
 .Cm TIOCMSBIDIR: Inappropriate ioctl for device.
 .Pp