diff --git a/Module:-backlight.md b/Module:-backlight.md
index 15850c3..a2a1062 100644
--- a/Module:-backlight.md
+++ b/Module:-backlight.md
@@ -12,6 +12,18 @@ type = internal/backlight
 ; Use the following command to list available cards:
 ; $ ls -1 /sys/class/backlight/
 card = intel_backlight
+
+; Enable changing the backlight with the scroll wheel
+; NOTE: This may require additional configuration on some systems. Polybar will
+; write to `/sys/class/backlight/${self.card}/brightness` which requires polybar
+; to have write access to that file.
+; DO NOT RUN POLYBAR AS ROOT. 
+; The recommended way is to add the user to the
+; `video` group and give that group write-privileges for the `brightness` file.
+; See the ArchWiki for more information:
+; https://wiki.archlinux.org/index.php/Backlight#ACPI
+; Default: false
+enable-scroll = true
 ~~~
 
 ### Additional formatting