diff --git a/README.md b/README.md
index e61de79..c26ed9d 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 16.04.4 or 18.04 LTS 64Bit) using two shell scripts only.
+Install, optimize and harden your self hosted Nextcloud (based on Ubuntu 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:
 
@@ -13,7 +13,7 @@ The initial script (install-nextcloud.sh) will install and optimize your self ho
     self signed certificates or Let's Encrypt SSL
     UFW (22, 80, 443)
 
-The only precondition for both scripts is to use Ubuntu 16.04.4 LTS 64Bit as your server OS.
+The only precondition is to use Ubuntu 18.04 LTS 64Bit as your server OS.
 At least (optionally) you may request a ssl certificate from letsencrypt by issuing the second script called "ssl-certificat.sh".
 
 Ready to go? Let's start: