fixes link and removes empty cell

examples/How_to_call_functions_for_knowledge_retrieval.ipynb

@@ -1,13 +1,14 @@
 {
  "cells": [
   {
+   "attachments": {},
    "cell_type": "markdown",
    "id": "3e67f200",
    "metadata": {},
    "source": [
     "# How to use functions with a knowledge base\n",
     "\n",
-    "This notebook builds on the concepts in the [argument generation]('How_to_generate_function_arguments_with_chat_models.ipynb') notebook, by creating an agent with access to a knowledge base and two functions that it can call based on the user requirement.\n",
+    "This notebook builds on the concepts in the [argument generation](How_to_call_functions_with_chat_models.ipynb) notebook, by creating an agent with access to a knowledge base and two functions that it can call based on the user requirement.\n",
     "\n",
     "We'll create an agent that uses data from arXiv to answer questions about academic subjects. It has two functions at its disposal:\n",
     "- **get_articles**: A function that gets arXiv articles on a subject and summarizes them for the user with links.\n",

examples/How_to_call_functions_with_chat_models.ipynb

@@ -725,14 +725,6 @@
     "\n",
     "See our other [notebook](How_to_call_functions_for_knowledge_retrieval.ipynb) that demonstrates how to use the Chat Completions API and functions for knowledge retrieval to interact conversationally with a knowledge base."
    ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "c83138e8",
-   "metadata": {},
-   "outputs": [],
-   "source": []
   }
  ],
  "metadata": {