diff --git a/README.md b/README.md
index 1630186..60b11b7 100644
--- a/README.md
+++ b/README.md
@@ -170,7 +170,7 @@ Usage of upclapi:
   (yaml-config-file has to include *ssh** config section)
 
 ```bash
-./build/upclapi  -c runssh -f [yaml-config-file] -ssh remote-command-to-execute [-sid ssh/key_filename (or id_pub in HOME by default)]
+./build/upclapi  -c runssh -f [yaml-config-file] -cmd remote-command-to-execute [-sid ssh/key_filename (or id_pub in HOME by default)]
 ```
 
 - Create Servers [Ansible Inventory](https://docs.ansible.com/ansible/latest/index.html)