Fix Quickstart notebook link (#6070)

Author: mariosasko

notebooks/README.md

@@ -30,4 +30,4 @@ You can open any page of the documentation as a notebook in Colab (there is a bu
 
 | Notebook     |      Description      |   |   |
 |:----------|:-------------|:-------------|------:|
-| [Quickstart](https://github.com/huggingface/notebooks/blob/main/datasets_doc/quickstart.ipynb) | A quick presentation on integrating Datasets into a model training workflow |[![Open in Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/huggingface/notebooks/blob/main/datasets_doc/quickstart.ipynb)| [![Open in AWS Studio](https://studiolab.sagemaker.aws/studiolab.svg)](https://studiolab.sagemaker.aws/import/github/huggingface/notebooks/blob/main/datasets_doc/quickstart.ipynb)|
+| [Quickstart](https://github.com/huggingface/notebooks/blob/main/datasets_doc/en/quickstart.ipynb) | A quick presentation on integrating Datasets into a model training workflow |[![Open in Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/huggingface/notebooks/blob/main/datasets_doc/en/quickstart.ipynb)| [![Open in AWS Studio](https://studiolab.sagemaker.aws/studiolab.svg)](https://studiolab.sagemaker.aws/import/github/huggingface/notebooks/blob/main/datasets_doc/en/quickstart.ipynb)|