diff --git a/README.md b/README.md
index 3896914..6922e6e 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,11 @@
 # mysql-server
 
-Ansible role for mysql-family servers
\ No newline at end of file
+Ansible role for mysql-family servers
+
+### Variables
+See `defaults/main.yml` and probably `tasks/main.yml`. Role is pretty simple.
+
+Defaults are suitable for MariaDB on Archlinux.
+
+### LICENSE
+[MIT](README.md)