Update README.md

README.md

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-This model (based on [bert-tiny](https://huggingface.co/google/bert_uncased_L-2_H-128_A-2)) has been trained from scratch on 20k italian Wikipedia articles and on a wide collection of italian words and dictionary definitions.
+bert-tiny-ita is an italian foundational model (based on [bert-tiny](https://huggingface.co/google/bert_uncased_L-2_H-128_A-2)) pretrained from scratch on 20k italian Wikipedia articles and on a wide collection of italian words and dictionary definitions. It uses 512 context window size.
 
 The project is still a work in progress, new versions will come with time.
 
+Use it as a foundational model to be finetuned for specific italian tasks.
+
 # Training
 
 - epochs: 250
@@ -27,4 +29,4 @@ The project is still a work in progress, new versions will come with time.
 
 # Eval
 
-- perplexity: 45 (it's a 12MB model, don't expect this to be ChatGPT anytime soon :)
+- perplexity: 45 (it's a 12MB model!)