diff --git a/Simple-installation.md b/Simple-installation.md
index e0cef0e..ac6c6bf 100644
--- a/Simple-installation.md
+++ b/Simple-installation.md
@@ -343,6 +343,9 @@ Cut and paste and save the following into the /etc/systemd/system/radicale.servi
 Description=A simple CalDAV (calendar) and CardDAV (contact) server
 After=network.target
 Requires=network.target
+# replace with following in case of specific address is used in config server->hosts
+# Wants=network-online.target
+# After=network-online.target
 
 [Service]
 ExecStart=/usr/bin/env python3 -m radicale