diff --git a/doc/reference.conf b/doc/reference.conf
index 98d323a8..49b16179 100644
--- a/doc/reference.conf
+++ b/doc/reference.conf
@@ -148,7 +148,7 @@ serverinfo {
 	/* vhost6: the IP to bind to when we connect outward to ipv6 servers.
 	 * This should be an ipv6 IP only.
 	 */
-	#vhost6 = "2001:db7:2::6";
+	#vhost6 = "2001:db8:2::6";
 
 	/* ssl_cert: certificate (and optionally key) for our ssl server */
 	ssl_cert = "etc/ssl.pem";