diff --git a/module2/exo1/toy_notebook_en.ipynb b/module2/exo1/toy_notebook_en.ipynb
index 232e72b4f0ebb4a621ca3007c9e65feb1bddbb64..33e47b8676d503901d539bd17a8298335be5c013 100644
--- a/module2/exo1/toy_notebook_en.ipynb
+++ b/module2/exo1/toy_notebook_en.ipynb
@@ -1,5 +1,16 @@
 {
  "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# On the computation of $\\pi$\n",
+    "\n",
+    "## Asking the maths library\n",
+    "\n",
+    "My computer tells me that $\\pi$ is *approximatively*"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": 1,
@@ -14,11 +25,6 @@
     }
    ],
    "source": [
-    "# On the computation of $\\pi$\n",
-    "\n",
-    "## Asking the maths library\n",
-    "My computer tells me that $\\pi$ is *approximatively*\n",
-    "\n",
     "from math import *\n",
     "print(pi)\n"
    ]