diff --git a/xoatrc b/xoatrc
index f1c8b43..8764ce8 100644
--- a/xoatrc
+++ b/xoatrc
@@ -128,3 +128,7 @@ bind F1 action_find_or_start konsole
 bind F2 action_find_or_start chromium
 bind F3 action_find_or_start firefox
 bind F4 action_find_or_start sublime-text
+
+# Also possible to bind by keysym hex value
+# Eg, XF86XK_MonBrightnessUp = 0x1008FF02
+# bind 0x1008FF02 action_command <custom_brightness_command>
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