Fix what appears to be a typo in the description.

usr.bin/getent/getent.1

@@ -1,4 +1,4 @@
-.\"	$NetBSD: getent.1,v 1.2 2004/11/23 09:06:24 wiz Exp $
+.\"	$NetBSD: getent.1,v 1.3 2004/11/24 16:37:44 ginsbach Exp $
 .\"
 .\" Copyright (c) 2004 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -68,7 +68,7 @@ may be one of:
 .It shells Ta /path/to/shell
 .El
 .Pp
-If one more more
+If one or more
 .Ar key
 arguments are provided, they will be looked up in
 .Ar database