diff --git a/module2/exo4/exercice.ipynb b/module2/exo4/exercice.ipynb
index 763c9f20ef070f002bceb23cc23aa9a020872c72..93fcf4d86599c91229ce042263af1986d05ccbf2 100644
--- a/module2/exo4/exercice.ipynb
+++ b/module2/exo4/exercice.ipynb
@@ -86,7 +86,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 28,
+   "execution_count": 29,
    "metadata": {},
    "outputs": [
     {