diff --git a/config.go b/config.go
index 50e2894..4af7a2b 100644
--- a/config.go
+++ b/config.go
@@ -36,7 +36,15 @@ type authConfig struct {
 type config struct {
 	// ListenAddr is the listening address that we should use to allow Kirin
 	// to listen for requests.
-	ListenAddr string `long:"listenaddr" description:"The interface we should listen on for client requests"`
+	ListenAddr string `long:"listenaddr" description:"The interface we should listen on for client requests."`
+
+	// ServerName can be set to a fully qualifying domain name that should
+	// be used while creating a certificate through Let's Encrypt.
+	ServerName string `long:"servername" description:"Server name (FQDN) to use for the TLS certificate."`
+
+	// AutoCert can be set to true if kirin should try to create a valid
+	// certificate through Let's Encrypt using ServerName.
+	AutoCert bool `long:"autocert" description:"Automatically create a Let's Encrypt cert using ServerName."`
 
 	// StaticRoot is the folder where the static content served by the proxy
 	// is located.
diff --git a/sample-conf.yaml b/sample-conf.yaml
index adfa26b..6bf5d19 100644
--- a/sample-conf.yaml
+++ b/sample-conf.yaml
@@ -1,6 +1,8 @@
 listenaddr: "localhost:8081"
 staticroot: "./static"
 debuglevel: "debug"
+servername: kirin.example.com
+autocert: false
 
 authenticator:
   lndhost: "localhost:10009"