diff --git a/module2/exo1/toy_notebook_fr.ipynb b/module2/exo1/toy_notebook_fr.ipynb
index 0313a2cf1784c1644c47243ac4aaf15f8067639a..8b28915469414cd20326eb1f5d2922d1cf855e2d 100644
--- a/module2/exo1/toy_notebook_fr.ipynb
+++ b/module2/exo1/toy_notebook_fr.ipynb
@@ -4,28 +4,14 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# toy_notebook_fr"
+    "# À propos du calcul de $\\pi$"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "March 28, 2019"
-   ]
-  },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "1. À propos du calcul de $\\pi$"
-   ]
-  },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "1.1 En demandant à la lib maths"
+    "## En demandant à la lib maths"
    ]
   },
   {
@@ -37,7 +23,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 1,
    "metadata": {},
    "outputs": [
     {
@@ -57,7 +43,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "1.2 En utilisant la méthode des aiguilles de Buffon"
+    "## En utilisant la méthode des aiguilles de Buffon"
    ]
   },
   {
@@ -69,7 +55,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": 2,
    "metadata": {},
    "outputs": [
     {
@@ -78,7 +64,7 @@
        "3.128911138923655"
       ]
      },
-     "execution_count": 4,
+     "execution_count": 2,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -96,7 +82,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "1.3 Avec un argument \"fréquentiel\" de surface"
+    "## Avec un argument \"fréquentiel\" de surface"
    ]
   },
   {
@@ -108,7 +94,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 9,
+   "execution_count": 3,
    "metadata": {},
    "outputs": [
     {
@@ -150,7 +136,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 10,
+   "execution_count": 4,
    "metadata": {},
    "outputs": [
     {
@@ -159,7 +145,7 @@
        "3.112"
       ]
      },
-     "execution_count": 10,
+     "execution_count": 4,
      "metadata": {},
      "output_type": "execute_result"
     }