Update document_search.ipynb (google#395)

* Update document_search.ipynb

Updated relative link

* Update document_search.ipynb

Updated model name to a current model

* Update site/en/gemini-api/tutorials/document_search.ipynb

---------

Co-authored-by: Mark Daoust <[email protected]>

Author: JosBecker

site/en/gemini-api/tutorials/document_search.ipynb

@@ -159,7 +159,7 @@
       "source": [
         "Key Point: Next, you will choose a model. Any embedding model will work for this tutorial, but for real applications it's important to choose a specific model and stick with it. The outputs of different models are not compatible with each other.\n",
         "\n",
-        "**Note**: At this time, the Gemini API is [only available in certain regions](https://developers.generativeai.google/available_regions)."
+        "**Note**: At this time, the Gemini API is [only available in certain regions](https://ai.google.dev/gemini-api/docs/available-regions)."
       ]
     },
     {
@@ -1191,7 +1191,7 @@
       },
       "outputs": [],
       "source": [
-        "model = genai.GenerativeModel('gemini-ultra')\n",
+        "model = genai.GenerativeModel('gemini-1.5-pro-latest')\n",
         "answer = model.generate_content(prompt)"
       ]
     },
@@ -1228,7 +1228,7 @@
       "source": [
         "## Next steps\n",
         "\n",
-        "To learn more about how you can use the embeddings, check out the [examples](../examples?keywords=embed) available. To learn how to use other services in the Gemini API, visit the [Python quickstart](https://ai.google.dev/gemini-api/docs/get-started/python)."
+        "To learn how to use other services in the Gemini API, visit the [Python quickstart](https://ai.google.dev/gemini-api/docs/get-started/python)."
       ]
     }
   ],