diff --git a/19.1-Release-notes-and-distribution-specific-instructions.md b/19.1-Release-notes-and-distribution-specific-instructions.md
index 34c06cd..6d1a5e7 100644
--- a/19.1-Release-notes-and-distribution-specific-instructions.md
+++ b/19.1-Release-notes-and-distribution-specific-instructions.md
@@ -17,11 +17,14 @@ For new installations or updating from EPL you need to add our server:eGroupWare
 ```
 sudo sh -c "echo 'deb http://download.opensuse.org/repositories/server:/eGroupWare/xUbuntu_18.04/ /' > /etc/apt/sources.list.d/server:eGroupWare.list"
 
-apt-get install gnupg # required, but not installed by apt-key add
+sudo apt-get install gnupg # required, but not installed by apt-key add
 
 wget -nv https://download.opensuse.org/repositories/server:eGroupWare/xUbuntu_18.04/Release.key -O - | \
    sudo apt-key add -
 ```
+For Ubuntu 18.04 the docker.service must be enable manually to automatic start at system start:
+`sudo systemctl enable docker.service`
+
 > For Ubuntu 16.04 please replace in the above instructions "xUbuntu_18.04" with "xUbuntu_16.04", for Debian 10 use "Debian_10".
 
 Then you need to run for new installations as well as upgrades explicitly (```apt upgrade``` alone is not sufficient!):