diff --git a/docs/demo_guides/x86.md b/docs/demo_guides/x86.md
index d551daa8925e9eb2c0d0608830dab8795f5323c8..6f72d00edf3b658a40363f35cbda2ed4c80d3e3b 100644
--- a/docs/demo_guides/x86.md
+++ b/docs/demo_guides/x86.md
@@ -4,10 +4,10 @@
 
 Paddle-Lite 支持在Docker或Linux环境编译x86预测库。环境搭建参考[环境准备](../user_guides/source_compile)。
 
-如果编译python库(`build_python=ON`)需要额外安装`python-dev`和`patch`
+如果编译python库(`build_python=ON`)需要额外安装`python-dev`和`patchelf`
 
 ```shell
-apt-get install patch
+apt-get install patchelf
 apt-get install python && apt-get install python-dev
 ```