Update README.md

README.md

@@ -11,9 +11,9 @@ From time to time, Nuclearn openly releases research artifacts, models and datas
 
 ### Domain Specific Language Models
 
-**AA-mini-base** - The first open-source Nuclear LLM - this model has extensive training on intricate details of the operation, design and regulation of operating reactor plants in the US, nuclear specific regulations, and general nuclear operational details. 
+**SPARK-mini-base** - The first open-source Nuclear LLM - this model has extensive training on intricate details of the operation, design and regulation of operating reactor plants in the US, nuclear specific regulations, and general nuclear operational details. 
 
-**AA-mini-instruct** - AA-mini-base with domain specific instruction finetuning.
+**SPARK-mini-instruct** - SPARK-mini-base with domain specific instruction finetuning.
 
 ## Contact Us