Merge pull request #2335 from aahill/csharp

updating tip

Author: prmerger-automator[bot]

articles/ai-services/agents/how-to/use-your-own-resources.md

@@ -6,7 +6,7 @@ services: cognitive-services
 manager: nitinme
 ms.service: azure-ai-agent-service
 ms.topic: how-to
-ms.date: 12/11/2024
+ms.date: 01/15/2025
 author: fosteramanda
 ms.author: fosteramanda
 ms.custom: azure-ai-agents
@@ -17,7 +17,8 @@ ms.custom: azure-ai-agents
 Use this article if you want to use the Azure Agent Service with resources you already have. 
 
 > [!NOTE]
-> If you use an existing AI Services / Azure OpenAI Service resource, no model will be deployed. You can deploy a model to the resource after the agent setup is complete. 
+> * If you use an existing AI Services / Azure OpenAI Service resource, no model will be deployed. You can deploy a model to the resource after the agent setup is complete. 
+> * Make sure your Azure OpenAI resource and Azure AI Foundry project are in the same region. 
 
 ## Choose basic or standard agent setup