diff --git a/MQTT-Overview.asciidoc b/MQTT-Overview.asciidoc
index c51d7717..273d8260 100644
--- a/MQTT-Overview.asciidoc
+++ b/MQTT-Overview.asciidoc
@@ -9,7 +9,9 @@ toc::[]
 
 Here is a diagram showing the connection phase and the network transactions required to turn a sonoff device on.   
 
-image::http://alt.pbeirne.com/images/sonoff_cmnd_flow.png[flow diagram]
+image::http://alt.pbeirne.com/images/sonoff_cmnd_flow3.png[flow diagram]
+
+pass:[<small>*In fact, the sonoff subscribes to "cmnd/my-topic/#", "cmnd/group-topic/#" and "cmnd/DVES_123456/#"</small>]
 
 In a typical setup, you'll have multiple Sonoff's (or other devices using this project's code) on the left hand side.