diff --git a/docs/source/guides/admin-guides/index.rst b/docs/source/guides/admin-guides/index.rst
index 160299143..e90560919 100644
--- a/docs/source/guides/admin-guides/index.rst
+++ b/docs/source/guides/admin-guides/index.rst
@@ -25,6 +25,7 @@ Now you can start to learn how to manage a cluster by xCAT. This chapter include
    :maxdepth: 2
 
    basic_concepts/index.rst
+   large_clusters/index.rst
    manage_clusters/index.rst
    references/index.rst
-   large_clusters/index.rst
+