Update README.md

README.md

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 license_name: llama3
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 # **Med42-v2 - Clinical Large Language Models**
-Med42-v2 is a suite of open-access clinical large language models (LLM) instruct-tuned by M42 to expand access to medical knowledge. Built off LLaMA-3 and comprising either 8 or 70 billion parameters, these generative AI system provide high-quality answers to medical questions.
+Med42-v2 is a suite of open-access clinical large language models (LLM) instruct and preference-tuned by M42 to expand access to medical knowledge. Built off LLaMA-3 and comprising either 8 or 70 billion parameters, these generative AI system provide high-quality answers to medical questions.
 
 ## Model Details