From 5a2fdc4034b63c72e110e21d8d9dfc5b27f540f3 Mon Sep 17 00:00:00 2001
From: Barbara Valdez <34872381+barbaravaldez@users.noreply.github.com>
Date: Fri, 18 Sep 2020 20:15:12 -0700
Subject: [PATCH] Add warning message for users using the new version of
 jupyter book (#12496) (#12500)

* Add warning message for users

* Address pr comments
---
 .../notebook/resources/notebooks/JupyterBooksCreate.ipynb      | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/extensions/notebook/resources/notebooks/JupyterBooksCreate.ipynb b/extensions/notebook/resources/notebooks/JupyterBooksCreate.ipynb
index b4867dcb78..75ea23a41c 100644
--- a/extensions/notebook/resources/notebooks/JupyterBooksCreate.ipynb
+++ b/extensions/notebook/resources/notebooks/JupyterBooksCreate.ipynb
@@ -26,6 +26,9 @@
                 "# Create Jupyter Book\n",
                 " <span style=\"color:red\">**Note**:</span> **Windows users** using **Python 3.8** might be impacted by this known [issue](https://jupyterbook.org/advanced/advanced.html#working-on-windows) on the latest **jupyter book** version.\n",
                 "\n",
+                "  <span style=\"color:red\">**Note**:</span> In Jupyter Book versions above 0.7.0, verify that the names of the files do not start with a **number**. Due to the new design of jupyter book, the prefix number will be removed from the file name in the Table of Contents. Please refer to this [section](https://jupyterbook.org/customize/toc.html#automatically-generate-your-toc-yml-file) of the documentation for more information.\n",
+                "\n",
+                "\n",
                 "This is a notebook to create a [Jupyter Book](https://jupyterbook.org/intro.html), which is an organized collections of Jupyter notebooks.\n",
                 "\n",
                 "The best way to use this notebook is by clicking Run all in the toolbar above. This will run all the cells in a step-by-step order so that you can create your Jupyter Book.\n",