diff --git a/setup.sh b/setup.sh
index 96deffa..29a8c92 100644
--- a/setup.sh
+++ b/setup.sh
@@ -2,7 +2,7 @@
 set -euo pipefail
 SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)
 
-if [ $(whoami) -ne "root"]; then
+if [ $(whoami) != "root" ]; then
     echo "not root, exiting"
 fi
 
@@ -66,6 +66,7 @@ unset IFS
 exportfs -arv
 systemctl enable --now nfs-server
 
+### SSH keys ###
 IFS=$'\n'
 for key in $(jq '."ssh-keys"[]?' $SCRIPT_DIR/data.json -r); do
     if ! grep -q "$key" $HOME/.ssh/authorized_keys; then