diff --git a/vars.yml b/vars.yml
index 38107ed..4021296 100644
--- a/vars.yml
+++ b/vars.yml
@@ -1,8 +1,11 @@
+# User which will be created on the LXC containers to replace root
 target_user: 'mbuz'
 
+# List of public keys to be added to the target_user's authorized_keys file
 my_public_keys:
   - "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINSGj0dxaA38QSBVY3DZiPb+qmIuTFxGo0mt4sbmYDa3 mbuz@macbook-pro"
   - "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOpvRkew+XpOAt7I/mizQbE/OJP1SO6NVl2/A1ZGzdU3 mbuz@windows-desktop"
   - "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIGWMJbHDCB8XCxPGth1229A3W/sPpvJHO9xBvegv4Sx mbuz@macbook-air"
 
-hosts_to_work_on: ansible
\ No newline at end of file
+# Key used for Ansible to connect to LXC containers
+ansible_ssh_private_key_file: '~/.ssh/ansible'
\ No newline at end of file