diff --git a/module3/exo1/analyse-syndrome-grippal.ipynb b/module3/exo1/analyse-syndrome-grippal.ipynb
index 16884941fcb035c8753f88d38488c97d78a06195..27ecaf9661cabfbea6cf7d2ee352bc6aa9737670 100644
--- a/module3/exo1/analyse-syndrome-grippal.ipynb
+++ b/module3/exo1/analyse-syndrome-grippal.ipynb
@@ -1031,13 +1031,13 @@
    ],
    "source": [
     "data_url = \"https://www.sentiweb.fr/datasets/incidence-PAY-3.csv\"\n",
-    "fileName = \"syndrome-grippal.csv\"\n",
+    "data_file = \"syndrome-grippal.csv\"\n",
     "\n",
-    "os.path.isfile(fileName)\n",
-    "if os.path.isfile(fileName) == 0:\n",
-    "   urllib.request.urlretrieve(data_url, fileName)\n",
+    "os.path.isfile(data_file)\n",
+    "if os.path.isfile(data_file) == 0:\n",
+    "   urllib.request.urlretrieve(data_url, data_file)\n",
     "\n",
-    "raw_data = pd.read_csv(fileName, skiprows=1)\n",
+    "raw_data = pd.read_csv(data_file, skiprows=1)\n",
     "raw_data"
    ]
   },
@@ -2214,7 +2214,7 @@
     {
      "data": {
       "text/plain": [
-       "<matplotlib.axes._subplots.AxesSubplot at 0x7f7963958320>"
+       "<matplotlib.axes._subplots.AxesSubplot at 0x7fdcd58c7160>"
       ]
      },
      "execution_count": 8,
@@ -2253,7 +2253,7 @@
     {
      "data": {
       "text/plain": [
-       "<matplotlib.axes._subplots.AxesSubplot at 0x7f796181fdd8>"
+       "<matplotlib.axes._subplots.AxesSubplot at 0x7fdcd341eb70>"
       ]
      },
      "execution_count": 9,
@@ -2357,7 +2357,7 @@
     {
      "data": {
       "text/plain": [
-       "<matplotlib.axes._subplots.AxesSubplot at 0x7f7961742898>"
+       "<matplotlib.axes._subplots.AxesSubplot at 0x7fdcd334c320>"
       ]
      },
      "execution_count": 12,
@@ -2458,7 +2458,7 @@
     {
      "data": {
       "text/plain": [
-       "<matplotlib.axes._subplots.AxesSubplot at 0x7f79616a4470>"
+       "<matplotlib.axes._subplots.AxesSubplot at 0x7fdcd332a048>"
       ]
      },
      "execution_count": 14,