diff --git a/module2/exo1/toy_notebook_fr.ipynb b/module2/exo1/toy_notebook_fr.ipynb
index 83d5b2e551d870bf7685b73d7f31f83d41da8111..e5e92fb5076c0a38e589728aa623972d4065f774 100644
--- a/module2/exo1/toy_notebook_fr.ipynb
+++ b/module2/exo1/toy_notebook_fr.ipynb
@@ -4,7 +4,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# A propos de $\\pi$"
+    "# A propos du calcul de $\\pi$"
    ]
   },
   {