diff --git a/module3/exo1/analyse-syndrome-grippal.ipynb b/module3/exo1/analyse-syndrome-grippal.ipynb
index 5a23ffd72c71adafe1bc62090023eb1968ec50dd..3f7a4183c3aead22a13bbb7c759ad59f01151e23 100644
--- a/module3/exo1/analyse-syndrome-grippal.ipynb
+++ b/module3/exo1/analyse-syndrome-grippal.ipynb
@@ -93,7 +93,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 18,
    "metadata": {
     "hideCode": false,
     "hidePrompt": false
@@ -104,7 +104,8 @@
      "output_type": "stream",
      "text": [
       "Detected 1 file(s) with pattern -sentinelle-syndrome-grippal.csv\n",
-      "Using latest : 20251210-sentinelle-syndrome-grippal.csv\n"
+      "Using latest : 20251210-sentinelle-syndrome-grippal.csv\n",
+      "! Consider checking latest data for update, keep original file\n"
      ]
     },
     {
@@ -226,7 +227,7 @@
        "4        FR   France  "
       ]
      },
-     "execution_count": 3,
+     "execution_count": 18,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -252,6 +253,7 @@
     "    print(f'Detected {len(files)} file(s) with pattern {local_file_pattern}')\n",
     "    latest = max(files) \n",
     "    print(f'Using latest : {latest}')\n",
+    "    print('! Consider checking latest data for update, keep original file')\n",
     "    raw_data = latest\n",
     "        \n",
     "raw_data = pd.read_csv(raw_data,  encoding = 'iso-8859-1', skiprows=1)     \n",