diff --git a/index.rst b/index.rst
index 12a9fc8..1a451cf 100644
--- a/index.rst
+++ b/index.rst
@@ -54,7 +54,7 @@
 		:caption: 附錄
 		
 		apx-01-copy
-		apx-02-ab-testing
+..		apx-02-ab-testing
 	
     索引
     ====