diff --git a/umn/source/exeml/tips/how_do_i_quickly_create_an_obs_bucket_and_a_folder_when_creating_a_project.rst b/umn/source/exeml/tips/how_do_i_quickly_create_an_obs_bucket_and_a_folder_when_creating_a_project.rst
index bd1c9d3..f628c5a 100644
--- a/umn/source/exeml/tips/how_do_i_quickly_create_an_obs_bucket_and_a_folder_when_creating_a_project.rst
+++ b/umn/source/exeml/tips/how_do_i_quickly_create_an_obs_bucket_and_a_folder_when_creating_a_project.rst
@@ -21,7 +21,7 @@ When creating a project, select a training data path. This section describes how
 
 #. Select the bucket, and click **Create Folder**. In the dialog box that is displayed, enter the folder name and click **OK**.
 
-   -  The name cannot contain the following special characters: \\/:\*?"<>\|
+   -  The name cannot contain the following special characters: ``\/:*?"<>|``
    -  The name cannot start or end with a period (.) or slash (/).
    -  The absolute path of a folder cannot exceed 1,023 characters.
    -  Any single slash (/) separates and creates multiple levels of folders at once.
diff --git a/umn/source/index.rst b/umn/source/index.rst
index 3803b0f..ce8a149 100644
--- a/umn/source/index.rst
+++ b/umn/source/index.rst
@@ -1,6 +1,6 @@
-==========
-Main Index
-==========
+======================
+ModelArts - User Guide
+======================
 
 .. toctree::
    :maxdepth: 1