diff --git a/README.md b/README.md
index 5f15a47..261127d 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,8 @@
 </p>
 
 VibeBox is a lightweight, ultra-fast sandbox that lets AI agents run commands, modify files, and execute code freely
-without permission prompts. It is completely isolated using Apple's Virtualization Framework, so your actual system
+without permission prompts securely. It is completely isolated using Apple's Virtualization Framework, so your actual
+system
 stays
 safe with minimal memory and disk usage.
 
diff --git a/README.zh.md b/README.zh.md
index be6f77d..f2757ab 100644
--- a/README.zh.md
+++ b/README.zh.md
@@ -24,7 +24,7 @@
   <a href="README.md">English</a>
 </p>
 
-VibeBox 是一个轻量、启动极快的沙盒环境，让 AI Agent 可以直接跑命令、改文件、执行代码，不会不停弹“要不要允许”的提示。它基于
+VibeBox 是一个轻量、启动极快的沙盒环境，让 AI Agent 可以安全地直接跑命令、改文件、执行代码，不会不停弹“要不要允许”的提示。它基于
 Apple 的 Virtualization Framework 做到彻底隔离，所以无论 Agent 在里面怎么折腾，你的真实系统都不会被影响；同时做到了低内存和磁盘占用。
 
 [![VibeBox Terminal UI](docs/screenshot.png)](https://vibebox.robcholz.com)