fixed typo (#523)

examples/How_to_call_functions_for_knowledge_retrieval.ipynb

@@ -172,6 +172,7 @@
    ]
   },
   {
+   "attachments": {},
    "cell_type": "markdown",
    "id": "f2e47962",
    "metadata": {},
@@ -338,7 +339,7 @@
     "\n",
     "\n",
     "def extract_chunk(content, template_prompt):\n",
-    "    \"\"\"This function applies a prompt to some input content. In this case it returns a summarize chunk of text\"\"\"\n",
+    "    \"\"\"This function applies a prompt to some input content. In this case it returns a summarized chunk of text\"\"\"\n",
     "    prompt = template_prompt + content\n",
     "    response = openai.ChatCompletion.create(\n",
     "        model=GPT_MODEL, messages=[{\"role\": \"user\", \"content\": prompt}], temperature=0\n",
@@ -480,6 +481,7 @@
    ]
   },
   {
+   "attachments": {},
    "cell_type": "markdown",
    "id": "dab07e98",
    "metadata": {},
@@ -656,6 +658,7 @@
    ]
   },
   {
+   "attachments": {},
    "cell_type": "markdown",
    "id": "dd3e7868",
    "metadata": {},