diff --git a/README.rst b/README.rst
index 53977bd64..b8914dca6 100644
--- a/README.rst
+++ b/README.rst
@@ -66,7 +66,10 @@ restarted.
 
 Run::
 
-  ansible-playbook -vvvv -i inventory/localhost install.yaml
+  If you have password-less sudo enabled, run:
+	 ansible-playbook -vvvv -i inventory/localhost install.yaml
+  Otherwise, add -K option to let Ansible prompting for the sudo  password:
+	 ansible-playbook -K -vvvv -i inventory/localhost install.yaml
 
 
 Manual CLI Use