diff --git a/README.md b/README.md
index 94369a2..daaf888 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 # c-rieger.de - install Nextcloud using shell
-Install, optimize and harden your self hosted Nextcloud (based on Ubuntu 16.04.x LTS 64Bit) using two shell scripts only.
+Install, optimize and harden your self hosted Nextcloud (based on Ubuntu 16.04.4 or 18.04 LTS 64Bit) using two shell scripts only.
 
 The initial script (install-nextcloud.sh) will install and optimize your self hosted Nextcloud within few minutes fully automated. Your server will be built of: