diff --git a/notebooks/08-HypothesisTesting.ipynb b/notebooks/08-HypothesisTesting.ipynb
index e92b784..07a6fde 100644
--- a/notebooks/08-HypothesisTesting.ipynb
+++ b/notebooks/08-HypothesisTesting.ipynb
@@ -160,6 +160,15 @@
       "execution_count": null,
       "outputs": []
     },
+    {
+      "cell_type": "markdown",
+      "source": [
+        "We will use `scipy.stats.ttest_ind` to perform t-test between two independently drawn samples."
+      ],
+      "metadata": {
+        "id": "xtZofsU6qGU3"
+      }
+    },
     {
       "cell_type": "code",
       "source": [