Fixing hyperlink (#1505)

docs/using/visualization/generating_widgets.ipynb

@@ -7,7 +7,7 @@
     "# Generating TARDIS Widgets\n",
     "A demonstration of how to generate TARDIS widgets that allows you to **explore simulation data within Jupyter Notebook with ease**!\n",
     "\n",
-    "This notebook is a quickstart tutorial, but more details on each widget (and its features) is given in the [Using TARDIS Widgets](https://tardis-sn.github.io/tardis/running/tardis_widgets/using_widgets.html) section of the documentation."
+    "This notebook is a quickstart tutorial, but more details on each widget (and its features) is given in the [Using TARDIS Widgets](https://tardis-sn.github.io/tardis/using/visualization/using_widgets.html) section of the documentation."
    ]
   },
   {
@@ -584,9 +584,9 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3.6.7 64-bit ('tardis': conda)",
+   "display_name": "Python 3",
    "language": "python",
-   "name": "python36764bittardiscondaa22a1e4c29c4422fa74dc8bcd590e7e0"
+   "name": "python3"
   },
   "language_info": {
    "codemirror_mode": {
@@ -598,7 +598,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.8"
+   "version": "3.7.9"
   },
   "notify_time": "5",
   "toc": {