diff --git a/plugins/dynamic-security/README.md b/plugins/dynamic-security/README.md
index 6949d59c..8e48621b 100644
--- a/plugins/dynamic-security/README.md
+++ b/plugins/dynamic-security/README.md
@@ -244,7 +244,7 @@ Command:
 
 mosquitto_ctrl example:
 ```
-mosquitto_ctrl dynsec setClientPassword username password
+mosquitto_ctrl dynsec setClientId username clientId
 ```
 
 ## Set Client Password