diff --git a/Readme.md b/Readme.md
index 986407c..1bb27a5 100644
--- a/Readme.md
+++ b/Readme.md
@@ -17,11 +17,15 @@ MQTT library for multiple platforms including embedded targets.
 
 ## TODO
 
-- [] QoS testing, client -> server QoS partly works, server -> client does not
-- [] Running in MQTT Broker mode
-- [] Last will is implemented but not exposed in API
-- [] Implement Protocol level 3 (low prio)
-- [] Implement Draft Protocol level 5 (somewhat low prio as it's a draft spec)
+- [ ] QoS testing, client -> server QoS partly works, server -> client does not
+- [ ] Running in MQTT Broker mode
+- [ ] Last will is implemented but not exposed in API
+- [ ] Implement Protocol level 3 (low prio)
+- [ ] Implement Draft Protocol level 5 (somewhat low prio as it's a draft spec)
+- [ ] Support ESP8266 (RTOS)
+- [ ] Support ESP32 (IDF)
+
+And no, I will not do an Arduino port.
 
 ## How to use