Update README.md

README.md

@@ -20,7 +20,7 @@ Gorilla can be either trained via standard finetuning or using our novel retriev
 
 ### Model Type
 
-Gorilla is an open-source API caller trained by fine-tuning LLaMA weights. It is an auto-regressive language model, based on the transformer architecture.
+Gorilla is an open-source API caller trained by fine-tuning MPT weights. It is an auto-regressive language model, based on the transformer architecture.
 
 ### Model Date