diff --git a/Ch10-deeplearning-lab.Rmd b/Ch10-deeplearning-lab.Rmd
index 9355e20..9dc130b 100644
--- a/Ch10-deeplearning-lab.Rmd
+++ b/Ch10-deeplearning-lab.Rmd
@@ -3,15 +3,12 @@ jupyter:
   jupytext:
     cell_metadata_filter: -all
     formats: ipynb,Rmd
+    main_language: python
     text_representation:
       extension: .Rmd
       format_name: rmarkdown
       format_version: '1.2'
       jupytext_version: 1.15.0
-  kernelspec:
-    display_name: Python 3 (ipykernel)
-    language: python
-    name: python3
 ---
 
 # Deep Learning