Fix Dd. New line after macro argument end.

share/man/man4/mue.4

@@ -1,4 +1,4 @@
-.\"     $NetBSD: mue.4,v 1.1 2018/08/25 20:12:21 rin Exp $
+.\"     $NetBSD: mue.4,v 1.2 2018/08/26 06:47:27 wiz Exp $
 .\"     $OpenBSD: mue.4,v 1.2 2018/08/03 06:13:14 jmc Exp $
 .\"
 .\" Copyright (c) 2018 Kevin Lo <kevlo@openbsd.org>
@@ -15,7 +15,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: August 25 2018 $
+.Dd August 25, 2018
 .Dt MUE 4
 .Os
 .Sh NAME
@@ -52,7 +52,8 @@ For more information on configuring this device, see
 The
 .Nm
 device driver first appeared in
-.Ox 6.3 and
+.Ox 6.3
+and
 .Nx 9.0 .
 .Sh AUTHORS
 .An -nosplit