Update README.md

README.md

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 ## Evaluations
 
-At the time of its creation (21-02-2024), it was the best model in the Open LLM Leaderboard for its size class (10.7B-11B), and also 13B models:
+At the time of its creation (21-01-2024), it was the best model in the Open LLM Leaderboard for its size class (10.7B-11B), and also 13B models:
 
 
 ![image/png](https://cdn-uploads.huggingface.co/production/uploads/5fad8602b8423e1d80b8a965/J4Jd_lx-Nja7CsNBSQ9re.png)