Update README.md

README.md

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 This model was trained for an app called [LazyTeacher](https://github.com/mlengineershub/LazyTeacher). The objective is to train a model so that it automatically predicts the grade
 that a professor would have given to a student.
 
-- **Developed by:** [Ilan Aliouchouche](https://github.com/ilanaliouchouche) @ [Ilyes Djerfaf](https://github.com/ilyesdjerfaf)
+- **Developed by:** [Ilan Aliouchouche](https://github.com/ilanaliouchouche) & [Ilyes Djerfaf](https://github.com/ilyesdjerfaf)
 - **Language(s):** English
 - **Finetuned from model:** [Alibaba-NLP/gte-base-en-v1.5](https://huggingface.co/Alibaba-NLP/gte-base-en-v1.5)