diff --git a/README.md b/README.md
index d328ad9..89a33a0 100644
--- a/README.md
+++ b/README.md
@@ -247,7 +247,7 @@ Kredis passes the configuration to `Redis.new` to establish the connection. See
 
 ### Redis support
 
-Kredis works with Redis server 4.0+, with the [Redis Ruby](https://github.com/redis/redis-rb) client version 4.2+.
+Kredis works with Redis server 4.0+, with the [Redis Ruby](https://github.com/redis/redis-rb) client version 4.2+. Redis Cluster is not supported.
 
 ### Setting SSL options on Redis Connections