diff --git a/08_unsupervised_learning.ipynb b/08_unsupervised_learning.ipynb
index de3406e..654bf50 100644
--- a/08_unsupervised_learning.ipynb
+++ b/08_unsupervised_learning.ipynb
@@ -4,7 +4,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "**Chapter 8 – Dimensionality Reduction**\n",
+    "**Chapter 8 – Unsupervised Learning**\n",
     "\n",
     "_This notebook contains all the sample code and solutions to the exercises in chapter 8._"
    ]