Update README.md

training/README.md

 # Training Parler-TTS
 
+<a target="_blank" href="https://colab.research.google.com/github/ylacombe/scripts_and_notebooks/blob/main/Finetuning_Parler_TTS_on_a_single_speaker_dataset.ipynb"> 
+  <img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab"/> 
+</a>
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 **TL;DR:** After having followed the [installation steps](#requirements), you can reproduce the [Parler-TTS Mini v0.1](https://huggingface.co/parler-tts/parler_tts_mini_v0.1) training recipe with the following command line:
 
 ```sh
@@ -8,6 +12,9 @@ accelerate launch ./training/run_parler_tts_training.py ./helpers/training_confi
 
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+> [!IMPORTANT]
+> You can also follow [this fine-tuning guide](https://colab.research.google.com/github/ylacombe/scripts_and_notebooks/blob/main/Finetuning_Parler_TTS_on_a_single_speaker_dataset.ipynb) on a mono-speaker dataset example
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 This sub-folder contains all the information to train or fine-tune your own Parler-TTS model. It consists of:
 - [1. An introduction to the Parler-TTS architecture](#a-architecture)
 - [2. First steps to get started](#b-getting-started)