diff --git a/Ch10-deeplearning-lab.Rmd b/Ch10-deeplearning-lab.Rmd
index ce234b5..e485c28 100644
--- a/Ch10-deeplearning-lab.Rmd
+++ b/Ch10-deeplearning-lab.Rmd
@@ -3,15 +3,12 @@ jupyter:
   jupytext:
     cell_metadata_filter: -all
     formats: Rmd,ipynb
+    main_language: python
     text_representation:
       extension: .Rmd
       format_name: rmarkdown
       format_version: '1.2'
       jupytext_version: 1.14.7
-  kernelspec:
-    display_name: Python 3 (ipykernel)
-    language: python
-    name: python3
 ---
 
 
diff --git a/Ch10-deeplearning-lab.ipynb b/Ch10-deeplearning-lab.ipynb
index 32d85fc..218f9a8 100644
--- a/Ch10-deeplearning-lab.ipynb
+++ b/Ch10-deeplearning-lab.ipynb
@@ -11328,12 +11328,8 @@
  "metadata": {
   "jupytext": {
    "cell_metadata_filter": "-all",
-   "formats": "Rmd,ipynb"
-  },
-  "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
-   "language": "python",
-   "name": "python3"
+   "formats": "Rmd,ipynb",
+   "main_language": "python"
   },
   "language_info": {
    "codemirror_mode": {