diff --git a/module2/exo1/toy_notebook_fr.ipynb b/module2/exo1/toy_notebook_fr.ipynb
index c6f02f6f7b4b693b04a99b716e995581b4d8254d..f53dea1688e71b2623ec176069b904fa1d3ae351 100644
--- a/module2/exo1/toy_notebook_fr.ipynb
+++ b/module2/exo1/toy_notebook_fr.ipynb
@@ -1,11 +1,11 @@
 {
  "cells": [
   {
-   "cell_type": "code",
-   "execution_count": null,
+   "cell_type": "markdown",
    "metadata": {},
-   "outputs": [],
-   "source": []
+   "source": [
+    "# À propos du calcul de $\\pi$"
+   ]
   }
  ],
  "metadata": {