Adding a note about priviledges to README. (#18)

* Adding a note about priviledges to README.

* Some corrections.

README.md

@@ -40,6 +40,10 @@ Run the playbook:
 
 `ansible-playbook -i inventory/hosts lemmy.yml`
 
+*Note*: if you are not the root user or don't have password-less sudo, use this command:
+
+`ansible-playbook -i inventory/hosts lemmy.yml --ask-become-pass`
+
 If the command above fails, you may need to comment out this line In the ansible.cfg file:
 
 `interpreter_python=/usr/bin/python3`

ansible.cfg

@@ -7,4 +7,3 @@ pipelining = True
 
 [privilege_escalation]
 become = True
-become_ask_pass: True