diff --git a/i3/.config/i3/config b/i3/.config/i3/config
index 0fbe8ff..d7b1afd 100644
--- a/i3/.config/i3/config
+++ b/i3/.config/i3/config
@@ -270,5 +270,11 @@ bindsym Control+$mod+l exec i3lock-fancy
 bindsym --release $mod+z exec scrot '%Y-%m-%d-%T_$wx$h_scrot.png' -s -e 'mv $f ~/Dropbox/Screenshots/'
 bindsym --release Shift+$mod+z exec scrot '%Y-%m-%d-%T_$wx$h_scrot.png' -e 'mv $f ~/Dropbox/Screenshots/'
 
-# Pulse Audio Controls
-bindsym XF86AudioRaiseVolume exec ---no-startup-id pactl set-sink-volume 0 +5%
+# Pulse Audio controls
+bindsym XF86AudioRaiseVolume exec --no-startup-id pactl set-sink-volume 0 +5% #increase sound volume
+bindsym XF86AudioLowerVolume exec --no-startup-id pactl set-sink-volume 0 -5% #decrease sound volume
+bindsym XF86AudioMute exec --no-startup-id pactl set-sink-mute 0 toggle # mute sound
+
+# Sreen brightness controls
+bindsym XF86MonBrightnessUp exec xbacklight -inc 20 # increase screen brightness
+bindsym XF86MonBrightnessDown exec xbacklight -dec 20 # decrease screen brightness