README: Update to mention MQTT

Author: jonnor

README.md

@@ -1,17 +1,19 @@
 # msgflo-python: Python participant support for MsgFlo
 
-[MsgFlo](https://github.com/msgflo/msgflo) is a distributed, polyglot FBP (flow-based-programming)
-runtime. It integrates with other FBP tools like the [Flowhub](http://flowhub.io) visual programming IDE.
+[MsgFlo](https://github.com/msgflo/msgflo) is a distributed, polyglot FBP (flow-based-programming) runtime.
+It integrates with other FBP tools like the [Flowhub](http://flowhub.io) visual programming IDE.
 This library makes it easy to create MsgFlo participants in Python.
 
-msgflo-python currently supports Python 2 and is built on top of [Haigha](https://github.com/agoragames/haigha)
-and [gevent](http://www.gevent.org/).
+msgflo-python currently supports Python 2 and is built on top of [gevent](http://www.gevent.org/).
+It uses [Haigha](https://github.com/agoragames/haigha) for AMQP support
+and [Eclipse Paho](https://eclipse.org/paho/clients/python/) for MQTT.
 
 ## Status
 
 *Experimental*
 
-* Basic support for setting up and running Participants with AMQP/RabbitMQ transport
+* Basic support for setting up and running Participants
+* Support for AMQP/RabbitMQ and MQTT brokers
 
 ## Usage