diff --git a/module2/exo1/toy_notebook_fr.ipynb b/module2/exo1/toy_notebook_fr.ipynb
index b27fc797ed0c3647b8bca9b2f59299dc7175841a..5dc7a1b93b4b7a7bb1e26d93543a73a7c58d0381 100644
--- a/module2/exo1/toy_notebook_fr.ipynb
+++ b/module2/exo1/toy_notebook_fr.ipynb
@@ -11,14 +11,15 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Premiere exercise \n"
+    "1. A propos de calcul du \\uppi\n"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### En demandant à la lib maths\n"
+    "1.1 En demandant à lib maths \n",
+    "\n"
    ]
   },
   {