diff --git a/linux/98-upower-hid.rules b/linux/98-upower-hid.rules
index af59561..32ec825 100644
--- a/linux/98-upower-hid.rules
+++ b/linux/98-upower-hid.rules
@@ -1,3 +1,4 @@
+# TODO: Adjust idProduct to match ProductID for the Arduino board used
 ATTRS{idVendor}=="2341", ENV{UPOWER_VENDOR}="Arduino"
 ATTRS{idVendor}=="2341", ATTRS{idProduct}=="8036", ENV{UPOWER_BATTERY_TYPE}="ups"