diff --git a/01_funccall.ipynb b/01_funccall.ipynb
index 971590f..22d9148 100644
--- a/01_funccall.ipynb
+++ b/01_funccall.ipynb
@@ -603,10 +603,10 @@
        "  'title': 'Conversation',\n",
        "  'required': ['turns'],\n",
        "  '$defs': {'Turn': {'type': 'object',\n",
-       "    'properties': {'speaker_a': {'type': 'integer',\n",
-       "      'description': 'First speaker to speak'},\n",
-       "     'speaker_b': {'type': 'integer',\n",
-       "      'description': 'Second speaker to speak'}},\n",
+       "    'properties': {'speaker_a': {'type': 'string',\n",
+       "      'description': \"First speaker to speak's message\"},\n",
+       "     'speaker_b': {'type': 'string',\n",
+       "      'description': \"Second speaker to speak's message\"}},\n",
        "    'title': 'Turn',\n",
        "    'required': ['speaker_a', 'speaker_b']}}}}"
       ]
@@ -621,8 +621,8 @@
     "    \"Turn between two speakers\"\n",
     "    def __init__(\n",
     "        self,\n",
-    "        speaker_a:int, # First speaker to speak\n",
-    "        speaker_b:int  # Second speaker to speak\n",
+    "        speaker_a:str, # First speaker to speak's message\n",
+    "        speaker_b:str,  # Second speaker to speak's message\n",
     "    ): store_attr()\n",
     "\n",
     "class Conversation:\n",
@@ -654,10 +654,10 @@
        "  'title': 'DictConversation',\n",
        "  'required': ['turns'],\n",
        "  '$defs': {'Turn': {'type': 'object',\n",
-       "    'properties': {'speaker_a': {'type': 'integer',\n",
-       "      'description': 'First speaker to speak'},\n",
-       "     'speaker_b': {'type': 'integer',\n",
-       "      'description': 'Second speaker to speak'}},\n",
+       "    'properties': {'speaker_a': {'type': 'string',\n",
+       "      'description': \"First speaker to speak's message\"},\n",
+       "     'speaker_b': {'type': 'string',\n",
+       "      'description': \"Second speaker to speak's message\"}},\n",
        "    'title': 'Turn',\n",
        "    'required': ['speaker_a', 'speaker_b']}}}}"
       ]
@@ -697,10 +697,10 @@
        "  'title': 'SetConversation',\n",
        "  'required': ['turns'],\n",
        "  '$defs': {'Turn': {'type': 'object',\n",
-       "    'properties': {'speaker_a': {'type': 'integer',\n",
-       "      'description': 'First speaker to speak'},\n",
-       "     'speaker_b': {'type': 'integer',\n",
-       "      'description': 'Second speaker to speak'}},\n",
+       "    'properties': {'speaker_a': {'type': 'string',\n",
+       "      'description': \"First speaker to speak's message\"},\n",
+       "     'speaker_b': {'type': 'string',\n",
+       "      'description': \"Second speaker to speak's message\"}},\n",
        "    'title': 'Turn',\n",
        "    'required': ['speaker_a', 'speaker_b']}}}}"
       ]
@@ -950,18 +950,7 @@
    "execution_count": null,
    "id": "1e9ee5c1",
    "metadata": {},
-   "outputs": [
-    {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "/Users/nathan/git/.venv/lib/python3.10/site-packages/nbdev/export.py:80: UserWarning: Notebook '/Users/nathan/git/toolslm/01_funccall-aimagic.ipynb' uses `#|export` without `#|default_exp` cell.\n",
-      "Note nbdev2 no longer supports nbdev1 syntax. Run `nbdev_migrate` to upgrade.\n",
-      "See https://nbdev.fast.ai/getting_started.html for more information.\n",
-      "  warn(f\"Notebook '{nbname}' uses `#|export` without `#|default_exp` cell.\\n\"\n"
-     ]
-    }
-   ],
+   "outputs": [],
    "source": [
     "#|hide\n",
     "#|eval: false\n",