diff --git a/README.md b/README.md
index 51d7e0b..380b94e 100644
--- a/README.md
+++ b/README.md
@@ -11,8 +11,9 @@ This can be used e.g. for a dynamic DNS service, but also to obtain certificates
 from [Let's Encrypt](https://letsencrypt.org/) via the dns-01 challenge.
 
 PDNS Manager is written in PHP using [Bootstrap](http://getbootstrap.com/)
-and [jQuery](http://jquery.com/). The backend uses a MySQL or Maria DB
-database. The database is also used by Powerdns using the pdns-backend-mysql.
+and [jQuery](http://jquery.com/). The backend uses a MySQL/Maria DB or Postgres
+database. The database is also used by Powerdns using the pdns-backend-mysql or
+pdns-backend-pgsql backend.
 
 ## More information
 You can find more information and documentation as well as contact information on [pdnsmanager.lmitsystems.de](https://pdnsmanager.lmitsystems.de). There are also some tutorials to get you quickly up and running.