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README.md

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 ## Details of Spanish T5 (small)
 
+T5 (small) like arch trained from scatch on [large_spanish_corpus](https://huggingface.co/datasets/large_spanish_corpus) for **HuggingFace/Flax/Jax Week**.
 
 
 
-## Details of the dataset 📚 
 
+## Details of the dataset 📚 
 
+This dataset contains 6,247 contexts and 18,817 questions with their answers, 1 to 5 for each fragment.
+The sources of the contexts are:
+* Encyclopedic articles from [Wikipedia in Spanish](https://es.wikipedia.org/), used under [CC-by-sa licence](https://creativecommons.org/licenses/by-sa/3.0/legalcode). 
+* News from [Wikinews in Spanish](https://es.wikinews.org/), used under [CC-by licence](https://creativecommons.org/licenses/by/2.5/). 
+* Text from the Spanish corpus [AnCora](http://clic.ub.edu/corpus/en), which is a mix from diferent newswire and literature sources, used under [CC-by licence](https://creativecommons.org/licenses/by/4.0/legalcode). 
+This dataset can be used to build extractive-QA.