diff --git a/README.md b/README.md
index 8111cff..716008c 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,7 @@ By default, Simple Awesome uses
 
 ## To do
 
+- Add a sound level control widget
 - Add a media control widget
 - Manage workspaces
 - Improve "leave menu"'s design
diff --git a/config.lua b/config.lua
index efe5aa6..4116bc7 100644
--- a/config.lua
+++ b/config.lua
@@ -1 +1,3 @@
-return require("default_config")
\ No newline at end of file
+local config = require("default_config")
+
+return config
\ No newline at end of file
diff --git a/default_config.lua b/default_config.lua
index a8fa736..2add342 100644
--- a/default_config.lua
+++ b/default_config.lua
@@ -15,13 +15,16 @@ config.terminal = "terminator"
 -- Change to gears.filesystem.get_themes_dir() .. "default/theme.lua" to use default awesome theme
 config.theme = awful.util.getdir("config") .. "/default_theme.lua"
 
+-- Screenshot utility
 config.screenshot_utility_command = "flameshot gui"
 config.screenshot_utility_auto_start = true
 config.screenshot_utility_auto_start_command = "flameshot"
 
+-- Keyboard layout
 config.kbSwitchCmd = "setxkbmap"
 config.kbLayouts = { "fr", "us" }
 
+-- Run menu
 config.runMenu = "rofi -show run -config " .. awful.util.getdir("config") .. "/rofi/themes/paper-float.rasi"
 config.windowSwitcher = "rofi -show window -config " .. awful.util.getdir("config") .. "/rofi/themes/paper-float.rasi"