diff --git a/module2/exo1/toy_notebook_fr.ipynb b/module2/exo1/toy_notebook_fr.ipynb
index 5ed20bf4468b9b2720f8d1c14fa7c740b1060c1d..473e56388dca55b0cfb1a96f3a6b90f42aeede38 100644
--- a/module2/exo1/toy_notebook_fr.ipynb
+++ b/module2/exo1/toy_notebook_fr.ipynb
@@ -4,14 +4,14 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "#  A propos du calcul de pi"
+    "#   A propos du calcul de $\\pi$"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## En demandant à la lib maths"
+    "##  En demandant à la lib maths"
    ]
   },
   {
@@ -154,13 +154,6 @@
    "source": [
     "4*np.mean(accept)"
    ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
   }
  ],
  "metadata": {