diff --git a/README.md b/README.md
index 46bee6a..7790fe3 100644
--- a/README.md
+++ b/README.md
@@ -24,6 +24,7 @@ TinyMqtt is a small, fast and capable Mqtt Broker and Client for Esp8266 / Esp32
 - zeroconf, this is a strange but very powerful mode where
   all brokers tries to connect together on the same local network.
 - small memory footprint (very efficient topic storage)
+- TinyMQTT is largely unit tested, so once a bug is fixed, it is fixed forever
 
 ## Limitations