diff --git a/README.md b/README.md
index a9e2e1f7a87951b262aff4d3b5095e67128ed558..09cf199225d9063d6d9f0c709104dc85b3060243 100644
--- a/README.md
+++ b/README.md
@@ -89,7 +89,7 @@ And now run the playbook.
 
 ## run the playbook
 1. Change directory: ``cd /opt/otree/otree-ansible/``
-2. Run: ``ansible-playbook site.yml``
+2. Run: ``ansible-playbook site.yml --ask-become-pass``
 
 ## FAQ
 
diff --git a/group_vars/otree_servers.yml.example b/group_vars/otree_servers.yml.example
index 65411110a2d6f0e969cd0230af339d6be6fc7136..11b173514067c07593f94607dc012da9cc5b7ad8 100644
--- a/group_vars/otree_servers.yml.example
+++ b/group_vars/otree_servers.yml.example
@@ -1,6 +1,5 @@
 ---
 ansible_user: "mylinuxuser"
-ansible_become_pass: "mysecretpw"
 ansible_connection: "local"
 
 nginx_config_path: "/etc/nginx"