diff --git a/mksh.1 b/mksh.1
index 5ea8962..0322d24 100644
--- a/mksh.1
+++ b/mksh.1
@@ -1,4 +1,4 @@
-.\" $MirOS: src/bin/mksh/mksh.1,v 1.236 2010/08/28 17:21:44 tg Exp $
+.\" $MirOS: src/bin/mksh/mksh.1,v 1.237 2010/08/28 21:22:24 tg Exp $
 .\" $OpenBSD: ksh.1,v 1.136 2010/07/15 20:04:35 schwarze Exp $
 .\"-
 .\" Copyright © 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
@@ -1224,8 +1224,7 @@ is interpreted to mean substitute the contents of
 Note that
 .Ic $(\*(Ltfoo)
 has the same effect as
-.Ic $(cat foo) ,
-but it is carried out more efficiently because no process is started.
+.Ic $(cat foo) .
 .Pp
 .Sy Note :
 .Pf $( Ns Ar command Ns \&)
@@ -2327,7 +2326,11 @@ statements, etc.
 any redirections must appear at the end.
 Redirections are processed after
 pipelines are created and in the order they are given, so the following
-will print an error with a line number prepended to it:
+will print an error with a line number prepended to it, if you have a
+.Xr cat 1
+that supports the
+.Fl n
+option:
 .Pp
 .D1 $ cat /foo/bar 2\*(Gt&1 \*(Gt/dev/null \*(Ba cat \-n
 .Pp