diff --git a/docs/docs/tutorials/multi_agent/hierarchical_agent_teams.ipynb b/docs/docs/tutorials/multi_agent/hierarchical_agent_teams.ipynb
index 7187bed2c..3031fa74a 100644
--- a/docs/docs/tutorials/multi_agent/hierarchical_agent_teams.ipynb
+++ b/docs/docs/tutorials/multi_agent/hierarchical_agent_teams.ipynb
@@ -197,7 +197,7 @@
     "    \"\"\"Read the specified document.\"\"\"\n",
     "    with (WORKING_DIRECTORY / file_name).open(\"r\") as file:\n",
     "        lines = file.readlines()\n",
-    "    if start is not None:\n",
+    "    if start is None:\n",
     "        start = 0\n",
     "    return \"\\n\".join(lines[start:end])\n",
     "\n",