Update fine-tune-model-llama.md

Updated regions available for llama-3.1

Author: RSavage2

articles/ai-studio/how-to/fine-tune-model-llama.md

@@ -32,6 +32,8 @@ The following models are available in Azure Marketplace for Llama 3.1 when fine-
 
 - `Meta-Llama-3.1-80B-Instruct` (preview)
 - `Meta-LLama-3.1-8b-Instruct` (preview)
+  
+Fine-tuning of Llama 3.1 models is currently supported in projects located in West US 3.
 
 > [!IMPORTANT]
 > At this time we are not able to do fine-tuning for Llama 3.1 with sequence length of 128K.