diff --git a/one_neuron/logistic_regression_2d.ipynb b/one_neuron/logistic_regression_2d.ipynb
index b5028d1..10e2d28 100644
--- a/one_neuron/logistic_regression_2d.ipynb
+++ b/one_neuron/logistic_regression_2d.ipynb
@@ -1107,15 +1107,8 @@
    "source": [
     "This simple neural network does a great job at capturing the non-linearities of this dataset. \n",
     "\n",
-    "Now [let's go back and wrap up!]()"
+    "Now [let's go back and wrap up!](https://thedatafrog.com/logistic-regression-neural-network#wrapup)"
    ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
   }
  ],
  "metadata": {