diff --git a/README.md b/README.md
index 84b18eb..e684265 100644
--- a/README.md
+++ b/README.md
@@ -14,10 +14,14 @@ execute platform-specific tasks.
 
 ## Running
 
-First, sync mirrors and install Ansible.
+First, sync mirrors and install Ansible:
 
     $ pacman -Syy python2-passlib ansible
 
+Second, install and update the submodules:
+
+    $ git submodule init && git submodule update
+    
 Run the playbook as root.
 
     # ansible-playbook -i localhost playbook.yml