diff --git a/arch-config/etc/wireguard/vpn-routes.sh b/arch-config/etc/wireguard/vpn-routes.sh
index a56e1507..51cbf3b8 100755
--- a/arch-config/etc/wireguard/vpn-routes.sh
+++ b/arch-config/etc/wireguard/vpn-routes.sh
@@ -2,6 +2,7 @@
 set -euo pipefail
 
 # creates an array of all network devices
+# NOTE only matches wlp[0-9]s[0-9].* and enp[0-9]s[0-9].*
 #readarray -t interfaces < <(ip l | awk -F ":" '/^[0-9]+:/{dev=$2 ; if ( dev !~ /^ lo$/ && dev !~ /^ vmnet.*/) {print $2}}')
 readarray -t interfaces < <(ip l | awk -F ":" '/^[0-9]+:/{dev=$2 ; if ( dev ~ /^ wlp[0-9]s[0-9].*$/ || dev ~ /^ enp[0-9]s[0-9].*/) {print $2}}')