diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # eMQTT
 
-eMQTT is a scalable, fault-tolerant and extensible MQTT V3.1.1 broker written in Erlang/OTP.
+eMQTT is a clusterable, scalable, fault-tolerant and extensible MQTT V3.1.1 broker written in Erlang/OTP.
 
 eMQTT support MQTT V3.1/V3.1.1 Protocol Specification.