message: Fix TF Lite text classification tutorial's incorrect indent.
diff: "id": "EoWiA_zX8rxE"
  },
  "source": [
  - "# Advanced Usage\n",
  + "## Advanced Usage\n",
  "\n",
  "The `create` function is the critical part of this library in which parameter `model_spec` defines the specification of the model, currently `AverageWordVecModelSpec` and `BertModelSpec` is supported. The `create` function contains the following steps for `AverageWordVecModelSpec`:\n",
  "\n",
  "id": "mwtiksguDfhl"
  },
  "source": [
  - "# Adjust the model\n",
  + "## Adjust the model\n",
  "\n",
  "We could adjust the model infrastructure like variables `wordvec_dim`, `seq_len` in `AverageWordVecModelSpec` class.\n"
  ]
  "id": "LvQuy7RSDir3"
  },
  "source": [
  - "## Change the training hyperparameters\n",
  + "### Change the training hyperparameters\n",
  "We could also change the training hyperparameters like `epochs` and `batch_size` that could affect the model accuracy. For instance,\n",
  "\n",
  "* `epochs`: more epochs could achieve better accuracy, but may lead to overfitting.\n",
  "id": "Eq6B9lKMfhS6"
  },
  "source": [
  - "## Change the Model\n",
  + "### Change the Model\n",
  "\n",
  "We could change the model by changing the `model_spec`. The following shows how we change to BERT-base model.\n",
  "\n",
  