diff --git a/README.md b/README.md
index 5b7cf4d2..624ca231 100644
--- a/README.md
+++ b/README.md
@@ -216,7 +216,7 @@ Hello world!%
 
 ### Cross-platform
 
-- MacOS
+- macOS
 - Linux
 - Windows
 
diff --git a/README_ZH.md b/README_ZH.md
index 1cce5662..2e412608 100644
--- a/README_ZH.md
+++ b/README_ZH.md
@@ -215,7 +215,7 @@ Hello world!%
 
 ### 支持三大平台
 
-- MacOS
+- macOS
 - Linux
 - Windows