docs(tutorial): fix typo (langchain-ai#6849)

Author: jjangga0214

docs/core_docs/docs/tutorials/chatbot.ipynb

@@ -325,7 +325,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "We now need to create a `config` that we pass into the runnable every time. This config contains information that is not part of the input directly, but is still useful. In this case, we want to include a `session_id`. This should look like:"
+    "We now need to create a `config` that we pass into the runnable every time. This config contains information that is not part of the input directly, but is still useful. In this case, we want to include a `sessionId`. This should look like:"
    ]
   },
   {
@@ -386,7 +386,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "Great! Our chatbot now remembers things about us. If we change the config to reference a different `session_id`, we can see that it starts the conversation fresh."
+    "Great! Our chatbot now remembers things about us. If we change the config to reference a different `sessionId`, we can see that it starts the conversation fresh."
    ]
   },
   {