diff --git a/module3/exo1/influenza-like-illness-analysis.ipynb b/module3/exo1/influenza-like-illness-analysis.ipynb
index e0289892dac8f0d4756c23f38c11c694bf332578..784f1408744a53c7e9c2c3e9968b5f436fa90ae6 100644
--- a/module3/exo1/influenza-like-illness-analysis.ipynb
+++ b/module3/exo1/influenza-like-illness-analysis.ipynb
@@ -94,6 +94,13 @@
     "os.path.exists(data_file)"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Seeks data from dowloaded file instead of seeking to download the data from theSentinelles site everytime. Robust to site being down, data being updated..."
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},