diff --git a/module3/exo2/exercice.ipynb b/module3/exo2/exercice.ipynb
index 04f1f472f442ac42d2cfebf6bc422a32ba641848..b582c00fc457ae1d3ed573aebffb466ab414e063 100644
--- a/module3/exo2/exercice.ipynb
+++ b/module3/exo2/exercice.ipynb
@@ -1,5 +1,12 @@
 {
  "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Analyse de l'indice de la varicelle"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": 30,