Update README.md

README.md

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 [![tetis](https://www.umr-tetis.fr/images/logo-header-tetis.png)](https://www.umr-tetis.fr/index.php/fr/)
 
 # TETIS Text Mining contribution to the GeoChallenge: Location Mention Recognition
-A model trained for the [GeoChallenge](https://geoaichallenge.aiforgood.itu.int/match/matchitem/64)
+This model was trained for the [GeoAI Challenge](https://geoaichallenge.aiforgood.itu.int/match/matchitem/64) organized by [AIforGood](https://aiforgood.itu.int/) and won the **2nd prize**.
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+It takes as an input a tweet content and extracts location mentions (Name Entity Recognition task focused on spatial entity).
 
 **More information** could be found in the [GeoAI github repository ](https://github.com/ITU-GeoAI-Challenge/Tetis-Text-Mining)