Clearer description what to do to enable.
@@ -445,8 +445,9 @@ With the value 0 the rate is unlimited.
.B tls\-service\-key:\fR <filename>
If enabled, the server provides TLS service on TCP sockets with the TLS
service port number. The port number (853) is configured with tls\-port.
-To turn it on, create an interface with @port appended to the IP-address.
-This creates the extra interface on which the DNS over TLS service is provided.
+To turn it on, create an interface: option line in config with @port
+appended to the IP-address. This creates the extra socket on which the
+DNS over TLS service is provided.
.IP
The file is the private key for the TLS session. The public certificate is
in the tls-service-pem file. Default is "", turned off. Requires a
