diff --git a/wireguard-install.sh b/wireguard-install.sh
index 779246c..9cccaf8 100644
--- a/wireguard-install.sh
+++ b/wireguard-install.sh
@@ -208,7 +208,7 @@ net.ipv6.conf.all.forwarding = 1" >/etc/sysctl.d/wg.conf
 
 	# Check if WireGuard is running
 	systemctl is-active --quiet "wg-quick@${SERVER_WG_NIC}"
-	WG_RUNNING=$?
+	WG_RUNNING=$? # exit status of the previously run command
 
 	# WireGuard might not work if we updated the kernel. Tell the user to reboot
 	if [[ ${WG_RUNNING} -ne 0 ]]; then
@@ -235,7 +235,7 @@ function newClient() {
 			echo ""
 		fi
 	done
-
+	# max number of client supported
 	for DOT_IP in {2..254}; do
 		DOT_EXISTS=$(grep -c "${SERVER_WG_IPV4::-1}${DOT_IP}" "/etc/wireguard/${SERVER_WG_NIC}.conf")
 		if [[ ${DOT_EXISTS} == '0' ]]; then