diff --git a/chapter-4/README.md b/chapter-4/README.md
index 1197c28..1c0e9bd 100644
--- a/chapter-4/README.md
+++ b/chapter-4/README.md
@@ -1,7 +1,7 @@
 # Environment Pipelines
 
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-_🌍 Available in_: [English](README.md) | [中文 (Chinese)](README.zh.md)
+_🌍 Available in_: [English](README.md) | [中文 (Chinese)](README-zh.md)
 > **Note:** Brought to you by the fantastic cloud-native community's [ 🌟 contributors](https://github.com/salaboy/platforms-on-k8s/graphs/contributors)!
 
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