sample-lnd.conf: doc external-dns-address field

Author: mohamedawnallah

sample-lnd.conf

@@ -226,6 +226,13 @@
 ; support devices behind multiple NATs.
 ; nat=false
 
+; Specify a DNS address for the node's external address. If no port is provided,
+; the default (9735) is used.
+; Default:
+;   external-dns-address=
+; Example:
+;   external-dns-address=my-node-domain.com
+
 ; Disable REST API.
 ; norest=false