diff --git a/README.md b/README.md
index 646eb8a..e80405a 100644
--- a/README.md
+++ b/README.md
@@ -1,21 +1,25 @@
-Unbound DNS Resolver
-====================
+ Unbound DNS Resolver
+======================
 
 Ansible role to install and configure the `unbound` dns resolver.
 
-
 Variables
 ---------
 
+| variable | default | explaination |
+| -------- | ------- | ------------ |
+| ``unbound_listen_addresses:`` | ``['127.0.0.1@53','::1@53']`` | define interfaces and ports where unbound should listen |
+| ``unbound__state:`` | ``present`` | Package state. *(use ``latest`` for explicit update)*
+| ``submodules_versioncheck:`` | ``false`` | run basic versions check. ``true`` is recomended. |
 
-Files
------
+ Files
+-------
 
 * `unbound.conf`:
   Main unbound configuration file.
 
 
-References
-----------
+ References
+------------
 
 * [Unbound Configuration](https://nlnetlabs.nl/documentation/unbound/unbound.conf/)