diff --git a/documents/install_tools.md b/documents/install_tools.md
index c91d138..c4a691c 100644
--- a/documents/install_tools.md
+++ b/documents/install_tools.md
@@ -4,7 +4,7 @@
 yum update && yum install -y wget curl
 ```
 
-- Debian&
+- Debian
 ```
 apt update && apt install wget curl -y
 ```