diff --git a/Fully-functional-sway-desktop-with-GNOME-integration-under-Debian-Ubuntu.md b/Fully-functional-sway-desktop-with-GNOME-integration-under-Debian-Ubuntu.md
index de54704..b217338 100644
--- a/Fully-functional-sway-desktop-with-GNOME-integration-under-Debian-Ubuntu.md
+++ b/Fully-functional-sway-desktop-with-GNOME-integration-under-Debian-Ubuntu.md
@@ -206,4 +206,19 @@ bindsym XF86AudioRaiseVolume exec pactl set-sink-volume @DEFAULT_SINK@ $(printf
 bindsym XF86AudioLowerVolume exec pactl set-sink-volume @DEFAULT_SINK@ -3%
 bindsym XF86AudioMute exec pactl set-sink-mute @DEFAULT_SINK@ toggle
 bindsym XF86AudioMicMute exec pactl set-source-mute @DEFAULT_SOURCE@ toggle
+```
+
+
+# Screen brightness adjustment
+
+Install brightnessctl:
+```
+sudo apt install brightnessctl
+```
+
+And put these keybindings on your Sway config file:
+
+```
+bindsym XF86MonBrightnessDown exec brightnessctl set 5%-
+bindsym XF86MonBrightnessUp exec brightnessctl set +5%
 ```
\ No newline at end of file