diff --git a/module3/exo1/analyse-syndrome-grippal.ipynb b/module3/exo1/analyse-syndrome-grippal.ipynb
index 9f643485c2d110c591c8bb6c35548f2676c74d86..2c11bfc149c61aee1f82a8c13dc9e1d1ade24864 100644
--- a/module3/exo1/analyse-syndrome-grippal.ipynb
+++ b/module3/exo1/analyse-syndrome-grippal.ipynb
@@ -78,9 +78,16 @@
     "La première ligne du fichier CSV est un commentaire, que nous ignorons en précisant `skiprows=1`."
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Une fois téléchargé localement, je peut maintenant utiliser le fichier qui à été télechargé. "
+   ]
+  },
   {
    "cell_type": "code",
-   "execution_count": 24,
+   "execution_count": 26,
    "metadata": {},
    "outputs": [
     {
@@ -1045,13 +1052,13 @@
        "[2114 rows x 10 columns]"
       ]
      },
-     "execution_count": 24,
+     "execution_count": 26,
      "metadata": {},
      "output_type": "execute_result"
     }
    ],
    "source": [
-    "raw_data = pd.read_csv(data_url, skiprows=1)\n",
+    "raw_data = pd.read_csv(data_file, skiprows=1)\n",
     "raw_data"
    ]
   },
@@ -1064,7 +1071,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 25,
+   "execution_count": 27,
    "metadata": {},
    "outputs": [
     {
@@ -1126,7 +1133,7 @@
        "1877        FR   France  "
       ]
      },
-     "execution_count": 25,
+     "execution_count": 27,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1144,7 +1151,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 11,
+   "execution_count": 28,
    "metadata": {},
    "outputs": [
     {
@@ -2109,7 +2116,7 @@
        "[2113 rows x 10 columns]"
       ]
      },
-     "execution_count": 11,
+     "execution_count": 28,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -2139,7 +2146,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 12,
+   "execution_count": 30,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2169,7 +2176,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 13,
+   "execution_count": 31,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2194,7 +2201,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 14,
+   "execution_count": 32,
    "metadata": {},
    "outputs": [
     {
@@ -2222,16 +2229,16 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 16,
+   "execution_count": 33,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/plain": [
-       "<matplotlib.axes._subplots.AxesSubplot at 0x7f01aae1b860>"
+       "<matplotlib.axes._subplots.AxesSubplot at 0x7f01a8972278>"
       ]
      },
-     "execution_count": 16,
+     "execution_count": 33,
      "metadata": {},
      "output_type": "execute_result"
     },
@@ -2262,16 +2269,16 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 17,
+   "execution_count": 34,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/plain": [
-       "<matplotlib.axes._subplots.AxesSubplot at 0x7f01a8c30d68>"
+       "<matplotlib.axes._subplots.AxesSubplot at 0x7f01a89efa20>"
       ]
      },
-     "execution_count": 17,
+     "execution_count": 34,
      "metadata": {},
      "output_type": "execute_result"
     },
@@ -2322,7 +2329,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 18,
+   "execution_count": 36,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2342,7 +2349,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 19,
+   "execution_count": 37,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2366,16 +2373,16 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 20,
+   "execution_count": 38,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/plain": [
-       "<matplotlib.axes._subplots.AxesSubplot at 0x7f01a8bc5a58>"
+       "<matplotlib.axes._subplots.AxesSubplot at 0x7f01a88579e8>"
       ]
      },
-     "execution_count": 20,
+     "execution_count": 38,
      "metadata": {},
      "output_type": "execute_result"
     },
@@ -2405,7 +2412,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 21,
+   "execution_count": 39,
    "metadata": {},
    "outputs": [
     {
@@ -2453,7 +2460,7 @@
        "dtype: int64"
       ]
      },
-     "execution_count": 21,
+     "execution_count": 39,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -2472,16 +2479,16 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 22,
+   "execution_count": 40,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/plain": [
-       "<matplotlib.axes._subplots.AxesSubplot at 0x7f01a8c1a320>"
+       "<matplotlib.axes._subplots.AxesSubplot at 0x7f01a87ba160>"
       ]
      },
-     "execution_count": 22,
+     "execution_count": 40,
      "metadata": {},
      "output_type": "execute_result"
     },