diff --git a/document/reference/linux.md b/document/reference/linux.md
index f0c918b..584de07 100644
--- a/document/reference/linux.md
+++ b/document/reference/linux.md
@@ -15,7 +15,7 @@
 ## 文件管理
 
 ### ls
-- 列出/home目录下的子目录：ls -l /home
+列出/home目录下的子目录：ls -l /home
 
 ### pwd
 显示当前工作目录