diff --git a/ch18/ch18.ipynb b/ch18/ch18.ipynb
index 42b02c52..329c0780 100644
--- a/ch18/ch18.ipynb
+++ b/ch18/ch18.ipynb
@@ -15,7 +15,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# Chapter 18: Reinforcement Learning"
+    "# Chapter 18: Using Reinforcement Learning for Decision Making in Complex Environments"
    ]
   },
   {