message: Replace multinomial in comment by argmax
  Replace 'a multinomial distribution' in comment by 'argmax', and also in the text introduction.
diff: "\n",
  "* We get predictions using the start_string and the hidden state\n",
  "\n",
  - "* Then we use a multinomial distribution to calculate the index of the predicted word. **We use this predicted word as our next input to the model**\n",
  + "* Then we use argmax to calculate the index of the predicted word. **We use this predicted word as our next input to the model**\n",
  "\n",
  "* **The hidden state returned by the model is fed back into the model so that it now has more context rather than just one word.** After we predict the next word, the modified hidden states are again fed back into the model, which is how it learns as it gets more context from the previously predicted words.\n",
  "\n",
  "for i in range(num_generate):\n",
  " predictions, hidden = model(input_eval, hidden)\n",
  "\n",
  - " # using a multinomial distribution to predict the word returned by the model\n",
  + " # using argmax to predict the word returned by the model\n",
  " predicted_id = tf.argmax(predictions[-1]).numpy()\n",
  " \n",
  " # We pass the predicted word as the next input to the model\n",
  