Update README.md

README.md

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 **Albertina PT-*** is a foundation, large language model for the **Portuguese language**.
 
-It is an **encoder** of the BERT family, based on a Transformer architecture, 
+It is an **encoder** of the BERT family, based on the neural architecture Transformer and 
 developed over the DeBERTa model, with most competitive performance for this language. 
 It has different versions that were trained for different variants of Portuguese (PT), 
 namely the European variant from Portugal (PT-PT) and the American variant from Brazil (PT-BR), 
@@ -36,10 +36,10 @@ and it is distributed free of charge and under a most permissible license.
 
 **Albertina PT-PT** is the version for **European Portuguese from Portugal**, 
 and to the best of our knowledge, at the time of its initial distribution,
-it was the first competitive encoder for this language and variant 
-that had been made publicly available and distributed for reuse.
+it is the first competitive encoder specifically for this language and variant 
+that is made publicly available and distributed for reuse.
 
-It was developped by a joint team from the University of Lisbon and the University of Porto, Portugal. 
+It is developped by a joint team from the University of Lisbon and the University of Porto, Portugal. 
 For further details, check the respective publication:
 
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