Update README.md

README.md

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 # iKG Model Card
 
 ## Model Details
-iKG ([Imperial](https://www.imperial.ac.uk/research-and-innovation/) Knowledge Graph Generator) is a knowledge graph construction (KGC) task-specific instruction-following language model fine-tuned from Vicuna-7B, which itself is derived from Meta's LLaMA LLM. 
+iKG ([Imperial](https://www.imperial.ac.uk/research-and-innovation/) Knowledge Graph Generator) is a knowledge graph construction (KGC) task-specific instruction-following language model fine-tuned from LMSYS's Vicuna-7B, which itself is derived from Meta's LLaMA LLM. 
 
 - **Developed by**: [Xiaohui Li](https://xiaohui-victor-li.github.io/)
 - **Model type**: Auto-regressive language model based on the transformer architecture.