Fix the hub_module_name URL in fine_tuning_bert.ipynb

PiperOrigin-RevId: 338740954

official/colab/fine_tuning_bert.ipynb

@@ -64,6 +64,9 @@
         "  \u003ctd\u003e\n",
         "    \u003ca href=\"https://storage.googleapis.com/tensorflow_docs/models/official/colab/fine_tuning_bert.ipynb\"\u003e\u003cimg src=\"https://www.tensorflow.org/images/download_logo_32px.png\" /\u003eDownload notebook\u003c/a\u003e\n",
         "  \u003c/td\u003e\n",
+        "  \u003ctd\u003e\n",
+        "    \u003ca href=\"https://tfhub.dev/tensorflow/bert_en_uncased_L-12_H-768_A-12/2\"\u003e\u003cimg src=\"https://www.tensorflow.org/images/hub_logo_32px.png\" /\u003eSee TF Hub model\u003c/a\u003e\n",
+        "  \u003c/td\u003e\n",
         "\u003c/table\u003e"
       ]
     },
@@ -1442,7 +1445,7 @@
       },
       "outputs": [],
       "source": [
-        "hub_encoder = hub.KerasLayer(f\"https://tfhub.dev/tensorflow/{hub_model_name}\",\n",
+        "hub_encoder = hub.KerasLayer(f\"https://tfhub.dev/tensorflow/{hub_model_name}/2\",\n",
         "                             trainable=True)\n",
         "\n",
         "print(f\"The Hub encoder has {len(hub_encoder.trainable_variables)} trainable variables\")"