diff --git a/src/ac/ac.default.conf b/src/ac/ac.default.conf
index b432c97e..95b0f92a 100644
--- a/src/ac/ac.default.conf
+++ b/src/ac/ac.default.conf
@@ -2,6 +2,7 @@
 # Use IPv4 protocol
 #
 # ipv4=true
+#
 
 #
 # Use IPv6 protocol
@@ -15,13 +16,21 @@
 # listen = 192.168.0.15
 
 
-#
-# dtls_psk = 
+# dtls_psk
 #
 # dtls_psk = 
 
-
+#
 # ac_name
 # The name reported by actube
+# If ommited ac_name is build from macaddress
+#
+# ac_name = 
+#
+
+#
+# ac_id
+# The id for this AC
+#
+# ac_id = 
 #
-# ac_name = AC