diff --git a/Notebooks/Chap13/13_2_Graph_Classification.ipynb b/Notebooks/Chap13/13_2_Graph_Classification.ipynb
index c1f1c0b..b5d2fd9 100644
--- a/Notebooks/Chap13/13_2_Graph_Classification.ipynb
+++ b/Notebooks/Chap13/13_2_Graph_Classification.ipynb
@@ -57,7 +57,7 @@
     {
       "cell_type": "markdown",
       "source": [
-        "Let's build a model that maps a chemical structure to a binary decision.  This model might be used to predict whether a chemical is liquid at room temparature or not.  We'll start by drawing the chemical structure."
+        "Let's build a model that maps a chemical structure to a binary decision.  This model might be used to predict whether a chemical is liquid at room temperature or not.  We'll start by drawing the chemical structure."
       ],
       "metadata": {
         "id": "UNleESc7k5uB"