diff --git a/Linux/mysql_backup.sh b/Linux/mysql_backup.sh
index 08d084c..ab10c6d 100644
--- a/Linux/mysql_backup.sh
+++ b/Linux/mysql_backup.sh
@@ -5,7 +5,7 @@ date=`date +%Y-%m-%d`
 backup_dir='/mnt/mysql_backup'
 retention=3
 
-# create backup
+# create backup directory
 mkdir -p $backup_dir
 
 # database backup