diff --git a/prolog/mqtt.pl b/prolog/mqtt.pl
index 6ccb252..f38a49b 100644
--- a/prolog/mqtt.pl
+++ b/prolog/mqtt.pl
@@ -1,7 +1,6 @@
 % MQTT pack for SWI-Prolog
 % 2016-05-24 - olsky - initial draft 
 % 2016-05-30 - olsky - working connect and publish
-% 2016-05-31 - olsky - addding async interface
 %
 
 :- module(mqtt, [
@@ -101,6 +100,8 @@
   true.
 
 
+
+
 % subscribe with: 
 % - topic pattern
 % - qos
@@ -110,6 +111,12 @@
 mqtt_sub(Connection, Topic) :-
   mqtt_sub(Connection, Topic, []).
 
+
+
+
+
+
+
 % hooks:
 
 mqtt_hook_on_connect(Connection, Data)     :- format('% hook > on_connect     > connection: ~w data: ~w~n', [Connection, Data]).