diff --git a/Chapter_04_Testing_Overfitting_Underfitting/UPDATED_Polynomial_regression_regularization.ipynb b/Chapter_04_Testing_Overfitting_Underfitting/UPDATED_Polynomial_regression_regularization.ipynb
index 66e9eb2..ec75f11 100644
--- a/Chapter_04_Testing_Overfitting_Underfitting/UPDATED_Polynomial_regression_regularization.ipynb
+++ b/Chapter_04_Testing_Overfitting_Underfitting/UPDATED_Polynomial_regression_regularization.ipynb
@@ -37,7 +37,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "Plotting the polynomial $-x^2+1$"
+    "Plotting the polynomial $-x^2+2$"
    ]
   },
   {
@@ -59,7 +59,7 @@
     }
    ],
    "source": [
-    "# Our original polynomial is -x^2+1\n",
+    "# Our original polynomial is -x^2+2\n",
     "coefs = [2,0,-1]\n",
     "\n",
     "def polynomial(coefs, x):\n",