merge spelling stuff from oksh

mksh.1

@@ -1,5 +1,5 @@
-.\" $MirOS: src/bin/mksh/mksh.1,v 1.368 2015/06/28 14:57:25 tg Exp $
-.\" $OpenBSD: ksh.1,v 1.159 2015/03/25 12:10:52 jca Exp $
+.\" $MirOS: src/bin/mksh/mksh.1,v 1.369 2015/07/05 15:22:41 tg Exp $
+.\" $OpenBSD: ksh.1,v 1.160 2015/07/04 13:27:04 feinerer Exp $
 .\"-
 .\" Copyright © 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
 .\"		2010, 2011, 2012, 2013, 2014, 2015
@@ -74,7 +74,7 @@
 .\" with -mandoc, it might implement .Mx itself, but we want to
 .\" use our own definition. And .Dd must come *first*, always.
 .\"
-.Dd $Mdocdate: June 28 2015 $
+.Dd $Mdocdate: July 5 2015 $
 .\"
 .\" Check which macro package we use, and do other -mdoc setup.
 .\"
@@ -476,7 +476,7 @@ and
 .Ql }
 delimit
 .Xr csh 1 Ns -style
-alterations (see
+alternations (see
 .Sx Brace expansion
 below);
 and finally,
@@ -2145,7 +2145,7 @@ The
 .Ic alias Fl d
 command may be used to list, change, and add to this cache (e.g.\&
 .Ic alias \-d fac=/usr/local/facilities; cd \*(TIfac/bin ) .
-.Ss Brace expansion (alteration)
+.Ss Brace expansion (alternation)
 Brace expressions take the following form:
 .Bd -unfilled -offset indent
 .Sm off