from sources: fix typo in ned man page

Reference: /n/atom/patch/applied/ned1nit
Date: Fri Mar  7 16:22:09 CET 2014
Signed-off-by: quanstro@quanstro.net

--- /sys/man/1/nedmail	Fri Mar  7 16:22:01 2014
+++ /sys/man/1/nedmail	Fri Mar  7 16:22:02 2014
@@ -206,7 +206,7 @@
 Reply to the sender of the message.
 .I Marshal
 is used to format the reply.
-If and optional
+If any optional
 .I Args
 are specified, they are added to the command line to
 .I marshal