diff --git a/mosquitto/DOCS.md b/mosquitto/DOCS.md
index 9f649ed..06f032f 100644
--- a/mosquitto/DOCS.md
+++ b/mosquitto/DOCS.md
@@ -57,7 +57,7 @@ logins:
 
 ### Option: `anonymous`
 
-Allow anonymous connections. If logins are set, the anonymous user can only read data.
+Allow anonymous connections. If logins are set, the anonymous user can only read data. An explicit ACL definition is required for anonymous connections [see Access Control Lists (ACLs)](#access-control-lists-acls).
 
 Default value: `false`