diff --git a/II. Getting started/10.3. Upgrading from an earlier version of Spring Boot.md b/II. Getting started/10.3. Upgrading from an earlier version of Spring Boot.md
index ba20793..6b53214 100644
--- a/II. Getting started/10.3. Upgrading from an earlier version of Spring Boot.md	
+++ b/II. Getting started/10.3. Upgrading from an earlier version of Spring Boot.md	
@@ -2,4 +2,4 @@
 
 如果你正在升级一个Spring Boot早期版本，查看下放在[project wiki](http://github.com/spring-projects/spring-boot/wiki)上的"release notes"。你会发现每次发布的更新指南和一个"new and noteworthy"特性列表。
 
-想要升级一个已安装的CLI，你需要使用合适的包管理命令（例如，`brew upgrade`），或如果你是手动安装CLI，按照[standard instructions](10.2.1. Manual installation.md)操作并记得更新你的`PATH`环境变量以移除任何老的引用。
+想要升级一个已安装的CLI，你需要使用合适的包管理命令（例如，`brew upgrade`），或如果你是手动安装CLI，按照[standard instructions](10.2.1. Manual installation.md)操作并记得更新你的PATH环境变量以移除任何老的引用。