Fixes typo

Signed-off-by: Giovani <giovanitavares@outlook.com>

README.md

@@ -29,7 +29,7 @@ the **ASSIN (Avaliação de Similaridade Semântica e Inferência textual)** cor
 - **Model type:** Transformer-based text classifier
 - **Language(s) (NLP):** Portuguese
 - **License:** mit
-- **Finetuned from model** [XLM-RoBERTa-base](https://huggingface.co/xlm-roberta-base)
+- **Finetuned from model** [BERTimbau-base](https://huggingface.co/neuralmind/bert-large-portuguese-cased)
 
 ### Model Sources