diff --git a/README.md b/README.md
index 7fdbe10..4cfad53 100644
--- a/README.md
+++ b/README.md
@@ -4,12 +4,16 @@ Ansible Freifunk Regensburg
 ## Requirements
 
 The python package netaddr is required on the host running ansible.
+
 The vault password must be stored in `.vault_pass`.
 
+The *only* supported distribution to deploy roles on is debian jessie.
+
 
 ## Running Ansible
 
 To deploy all defined roles on all servers simply run `ansible-playbook site.yml`.
+
 To deploy only one server run `ansible-playbook -i "hostname," site.yml`.