diff --git a/admin_manual/installation/system_requirements.rst b/admin_manual/installation/system_requirements.rst
index 5d2c21b9f..3a0ed2e76 100644
--- a/admin_manual/installation/system_requirements.rst
+++ b/admin_manual/installation/system_requirements.rst
@@ -25,7 +25,7 @@ Supported platforms
 * Server: Linux (Debian 7, SUSE Linux Enterprise Server 11 SP3 & 12, 
   Red Hat Enterprise Linux/CentOS 6.5 and 7 (7 is 64-bit only), Ubuntu 14.04 LTS, 16.04 LTS)
 * Web server: Apache 2 (mod_php, php-fpm) or Nginx (php-fpm) 
-* Databases: MySQL/MariaDB 5.5+; PostgreSQL; Oracle 11g (currently only possible 
+* Databases: MySQL/MariaDB 5.5+; PostgreSQL 9, 10; Oracle 11g (currently only possible 
   if you `contact us <https://nextcloud.com/enterprise>` as part of a subscription)
 * PHP 5.6 + required
 * Hypervisors: Hyper-V, VMware ESX, Xen, KVM