diff --git a/install_yunohost b/install_yunohost
index 234a659..9f77c9a 100755
--- a/install_yunohost
+++ b/install_yunohost
@@ -229,7 +229,7 @@ function check_assertions()
     fi
 
     # Assert we're root
-    [[ "$(id -u)" == "0" ]] || die "This script must be run as root."
+    [[ "$(id -u)" == "0" ]] || die "This script must be run as root. On most setups, typing 'sudo -i' can be used to become root."
 
     # Assert systemd is installed
     command -v systemctl > /dev/null || die "YunoHost requires systemd to be installed."