diff --git a/shell/freqCommand.sh b/shell/freqCommand.sh
index 76a8aa4..276835a 100644
--- a/shell/freqCommand.sh
+++ b/shell/freqCommand.sh
@@ -107,7 +107,7 @@ cargo install du-dust
 # exa 代替 ls
 cargo install exa
 
-# bottom 代替 top
+# bottom 代替 top  (btm)
 cargo install bottom
 
 # bat 代替cat