diff --git a/notebooks/chicago-speed-cameras.ipynb b/notebooks/chicago-speed-cameras.ipynb
index 00346b7..111ee28 100644
--- a/notebooks/chicago-speed-cameras.ipynb
+++ b/notebooks/chicago-speed-cameras.ipynb
@@ -1,24 +1,31 @@
 {
  "cells": [
+  {
+   "cell_type": "markdown",
+   "source": [
+    "# Chicago Speed Cameras .NET Interactive Notebook 📓\r\n",
+    "\r\n",
+    "Data Source: [Chicago Transportation](https://data.cityofchicago.org/browse?category=Transportation)/[Speed Camera Locations](https://data.cityofchicago.org/Transportation/Speed-Camera-Locations/4i42-qv3h)\r\n",
+    "\r\n",
+    "See [Chicago Speed Camera Locations](https://observablehq.com/@randomfractals/chicago-speed-camera-locations) Observable Notebook 📓 for map view."
+   ],
+   "metadata": {}
+  },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {
-    "dotnet_interactive": {
-     "language": "csharp"
-    }
-   },
-   "outputs": [],
    "source": [
     "using System.Net.Http;\r\n",
-    "using System.Text.Json;\r\n",
-    "using Microsoft.DotNet.Interactive.Formatting;\r\n",
-    "using Microsoft.DotNet.Interactive.Formatting.TabularData;\r\n",
-    "\r\n",
     "var dataUrl = \"https://data.cityofchicago.org/resource/4i42-qv3h.json\";\r\n",
     "var data = await new HttpClient().GetStringAsync(dataUrl);\r\n",
-    "JsonDocument.Parse(data).ToTabularDataResource()"
-   ]
+    "data"
+   ],
+   "outputs": [],
+   "metadata": {
+    "dotnet_interactive": {
+     "language": "csharp"
+    }
+   }
   }
  ],
  "metadata": {