diff --git a/module3/exo1/analyse-syndrome-grippal.ipynb b/module3/exo1/analyse-syndrome-grippal.ipynb
index 59d72b5b58a3ae26346460dd39e62a39c55243d7..5b77823e4321a6861062aad6147f531c1313302d 100644
--- a/module3/exo1/analyse-syndrome-grippal.ipynb
+++ b/module3/exo1/analyse-syndrome-grippal.ipynb
@@ -65,7 +65,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "raw_data = pd.read_csv(data_url, skiprows=1)\n",
+    "raw_data = pd.read_csv(data_url , skiprows=1)\n",
     "raw_data"
    ]
   },
@@ -142,7 +142,7 @@
    "source": [
     "Il restent deux petites modifications à faire.\n",
     "\n",
-    "Premièrement, nous définissons les périodes d'observation\n",
+    "Premièrement, nous définissons les  périodes d'observation\n",
     "comme nouvel index de notre jeux de données. Ceci en fait\n",
     "une suite chronologique, ce qui sera pratique par la suite.\n",
     "\n",
@@ -184,7 +184,7 @@
    "outputs": [],
    "source": [
     "periods = sorted_data.index\n",
-    "for p1, p2 in zip(periods[:-1], periods[1:]):\n",
+    "for p1, p2 in zip(periods[:-1] , periods[1:]):\n",
     "    delta = p2.to_timestamp() - p1.end_time\n",
     "    if delta > pd.Timedelta('1s'):\n",
     "        print(p1, p2)"
@@ -258,7 +258,7 @@
    },
    "outputs": [],
    "source": [
-    "first_august_week = [pd.Period(pd.Timestamp(y, 8, 1), 'W')\n",
+    "first_august_week = [pd.Period(pd.Timestamp(y, 8, 1),  'W')\n",
     "                     for y in range(1985,\n",
     "                                    sorted_data.index[-1].year)]"
    ]
@@ -335,7 +335,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "yearly_incidence.hist(xrot=20)"
+    "yearly_incidence.hist(xrot=20 )"
    ]
   },
   {
@@ -364,7 +364,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.1"
+   "version": "3.6.4"
   }
  },
  "nbformat": 4,