diff --git a/local-tool/docs/LOCAL-TOOL-SPEC.md b/local-tool/docs/LOCAL-TOOL-SPEC.md
index b03fc4f..2978705 100644
--- a/local-tool/docs/LOCAL-TOOL-SPEC.md
+++ b/local-tool/docs/LOCAL-TOOL-SPEC.md
@@ -258,7 +258,7 @@ visiona-local/
 
 ---
 
-## 7. Build 指引
+## 7. Installer Build 指引
 
 ### macOS