diff --git a/module3/exo3/exercice.ipynb b/module3/exo3/exercice.ipynb
index 7a0d829782fe15633d8ad74ed8504f55e445c3f9..380e2fc00590548ff63cdd4e87e058d3feb6aef1 100644
--- a/module3/exo3/exercice.ipynb
+++ b/module3/exo3/exercice.ipynb
@@ -1827,6 +1827,13 @@
     "raw_data"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## les données"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,