manpage Add proper web address to the project (include https)

doc/man/kamailio.8

@@ -4,7 +4,7 @@
 .\" groff -man -Tascii kamailio.8
 .\"
 .SH NAME
-kamailio \- very fast and configurable SIP server
+kamailio \- a very fast and configurable SIP server
 .SH SYNOPSIS
 .B kamailio
 [
@@ -187,7 +187,7 @@ see
 .PP
 Full documentation on kamailio, including configuration guidelines, FAQs and
 licensing conditions, is available at
-.I http://kamailio.org.
+.I https://www.kamailio.org/
 .PP
 For reporting  bugs see
 .I