Update README.md

README.md

@@ -17,7 +17,7 @@ This repository stores hosts informations and related variables for this specifi
    * development local mode
    ```sh
    # install sys admin roles for executing the provision yml
-   ansible-playbook playbooks/sys_admin.yml -i ../odoo-carsharing-inventory/inventory/hosts --limit=dev -u root
+   ansible-playbook playbooks/sys_admins.yml -i ../odoo-carsharing-inventory/inventory/hosts --limit=dev -u root
    ```
 5. Run `ansible-playbook` command pointing to the `inventory/hosts` file of this repository:
    * development local mode