diff --git a/README.md b/README.md
index 1429b7b..5535f27 100644
--- a/README.md
+++ b/README.md
@@ -29,3 +29,5 @@ To upgrade redisinsight:
 ```
 brew upgrade redis-stack-redisinsight
 ```
+
+By default redis-stack will have no password, Redis Stack supports the ability to configure multiple named users, each with their own password and access control configuration.  Refer to the [Redis Access Control List documentation](https://redis.io/docs/management/security/acl/) for more information. Alternatively the configuration file can be edited and the *requirepass* directive added.