diff --git a/home/modules/window_manager/xmonad_config.hs b/home/modules/window_manager/xmonad_config.hs
index 997963f..c711bed 100644
--- a/home/modules/window_manager/xmonad_config.hs
+++ b/home/modules/window_manager/xmonad_config.hs
@@ -353,6 +353,8 @@ myKeys conf =
         ("M4-S-q", io exitSuccess)
       ]
 
+    -- Use the following command `xev | sed -ne '/^KeyPress/,/^$/p'`
+    -- to get key name
     misc_kb =
       [ ("M-o", projectPrompt myPromptConfig),
         -- Change volume