Hello!

I’m very new to OpenBSD and this is my very first contribution to any open source project.
So please be lenient, if I am doing this wrong… 

In the man page SH(1) there is an environment variable without correct markup.

Index: src/bin/ksh/sh.1
===================================================================
— src/bin/ksh/sh.1
+++ src/bin/ksh/sh.1.fix
@@ -2140,7 +2140,7 @@ before each command is traced
option).
The default is
.Sq +\ \& .
-.It PWD
+.It Ev PWD
The absolute pathname to the current working directory.
.El
.Sh ASYNCHRONOUS EVENTS