diff --git a/proto/FTCS.ipynb b/proto/FTCS.ipynb
index 25364cf..f78119e 100644
--- a/proto/FTCS.ipynb
+++ b/proto/FTCS.ipynb
@@ -183,6 +183,14 @@
     "plt.show()\n"
    ]
   },
+  {
+   "attachments": {},
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Widget"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": 116,
@@ -196,13 +204,6 @@
     "    \n",
     "interact(update, w = IntSlider(min=0, max = 999, step = 1, value = 0))"
    ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
   }
  ],
  "metadata": {