smtpd.conf(5) small wording patch

[Eddie Thieda]

--- smtpd.conf.5.orig Wed May 29 13:25:37 2019
+++ smtpd.conf.5 Wed May 29 13:25:54 2019
@@ -33,7 +33,7 @@ each
 .Dq RCPT TO:
 command generates a mail envelope.
 If an envelope matches
-any of a pre-designated set of criteria
+any pre-designated set of criteria
 (using the
 .Ic match
 directive),