diff --git a/Video_Killed_The_Radio_Star_Defusion.ipynb b/Video_Killed_The_Radio_Star_Defusion.ipynb
index 5419ed5..2fd0018 100644
--- a/Video_Killed_The_Radio_Star_Defusion.ipynb
+++ b/Video_Killed_The_Radio_Star_Defusion.ipynb
@@ -513,7 +513,39 @@
         "    #storyboard.prompt_starts = prompt_starts\n",
         "    # to do: deal with these td objects\n",
         "    with open(storyboard_fname) as fp:\n",
-        "        OmegaConf.save(config=storyboard, f=fp.name)"
+        "        OmegaConf.save(config=storyboard, f=fp.name)\n",
+        "\n",
+        "######################################################\n",
+        "\n",
+        "# title # 4.b (optional) Review/Modify transcription\n",
+        "\n",
+        "# markdown Run this cell for an opportunity to review and modify the\n",
+        "# markdown transcription.\n",
+        "\n",
+        "import pandas as pd\n",
+        "import panel as pn\n",
+        "\n",
+        "# https://panel.holoviz.org/reference/widgets/Tabulator.html\n",
+        "pn.extension('tabulator') # I don't know that specifying 'tabulator' here is even necessary...\n",
+        "\n",
+        "tabulator_formatters = {\n",
+        "    #'float': {'type': 'progress', 'max': 10},\n",
+        "    'bool': {'type': 'tickCross'}\n",
+        "}\n",
+        "\n",
+        "df = pd.DataFrame(prompt_starts).rename(\n",
+        "    columns={\n",
+        "        'ts':'Timestamp (sec)',\n",
+        "        'prompt':'Lyric',\n",
+        "    }\n",
+        ")\n",
+        "\n",
+        "if 'td' in df:\n",
+        "  del df['td']\n",
+        "\n",
+        "import copy\n",
+        "df_pre = copy.deepcopy(df)\n",
+        "pn.widgets.Tabulator(df, formatters=tabulator_formatters)"
       ]
     },
     {
@@ -527,6 +559,17 @@
       "source": [
         "# @title # 5. 🧮 Math\n",
         "\n",
+        "# update prompt_starts if any changes were made above\n",
+        "import numpy as np\n",
+        "if not np.all(df_pre.values == df.values):\n",
+        "    df_pre = copy.deepcopy(df)\n",
+        "    for i, rec in enumerate(prompt_starts):\n",
+        "        rec['ts'] = df['Timestamp (sec)']\n",
+        "        rec['td'] = dt.timedelta(rec['ts'])\n",
+        "        rec['prompt'] = df['Lyric']\n",
+        "\n",
+        "############################################\n",
+        "\n",
         "workspace = OmegaConf.load('config.yaml')\n",
         "OmegaConf.resolve(workspace)\n",
         "root = Path(workspace.project_root)\n",