Update README.md

README.md

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 **French-Public Domain-Book** or **French-PD-Books** is a large collection aiming to agregate all the French monographies in the public domain. 
 
-The collection has been originally compiled by Pierre-Carl Langlais, on the basis of a large corpus curated by Benoît de Courson, Benjamin Azoulay for [Gallicagram](https://shiny.ens-paris-saclay.fr/app/gallicagram). Gallicagram is leading cultural analytics project giving access to word and ngram search on very large cultural heritage datasets in French and other languages.
+The collection has been originally compiled by Pierre-Carl Langlais, on the basis of a large corpus curated by Benoît de Courson, Benjamin Azoulay for [Gallicagram](https://shiny.ens-paris-saclay.fr/app/gallicagram) and in cooperation with OpenLLMFrance. Gallicagram is leading cultural analytics project giving access to word and ngram search on very large cultural heritage datasets in French and other languages.
 
 ## Content
 As of January 2024, the collection contains 289,000 books (16,407,292,362 words) from the French National Library (Gallica). Each parquet file has the full text of 2,000 books selected at random and few core metadatas (Gallica id, title, author, word counts…). The metadata can be easily expanded thanks to the BNF API.