diff --git a/ml4/2_5_0_Intro_AG.ipynb b/ml4/2_5_0_Intro_AG.ipynb
index 434664c..3adfbe2 100644
--- a/ml4/2_5_0_Intro_AG.ipynb
+++ b/ml4/2_5_0_Intro_AG.ipynb
@@ -56,7 +56,7 @@
    "metadata": {},
    "source": [
     "## Licence\n",
-    "The notebook is freely licensed under under the [Creative Commons Attribution Share-Alike license](https://creativecommons.org/licenses/by/2.0/).  \n",
+    "The notebook is freely licensed under the [Creative Commons Attribution Share-Alike license](https://creativecommons.org/licenses/by/2.0/).  \n",
     "\n",
     "©  Carlos A. Iglesias, Universidad Politécnica de Madrid."
    ]
@@ -64,7 +64,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "Python 3 (ipykernel)",
    "language": "python",
    "name": "python3"
   },
@@ -78,7 +78,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.1"
+   "version": "3.12.2"
   },
   "latex_envs": {
    "LaTeX_envs_menu_present": true,
@@ -99,5 +99,5 @@
   }
  },
  "nbformat": 4,
- "nbformat_minor": 1
+ "nbformat_minor": 4
 }