updates

Author: ChenJieting

articles/machine-learning/prompt-flow/tools-reference/open-model-llm-tool.md

@@ -52,7 +52,7 @@ Once your flow is associated to an Azure Machine Learning or Azure AI Studio wor
 
 - **Using Azure Machine Learning or Azure AI Studio workspaces**: If you're using prompt flow in one of the web page based browsers workspaces, the online endpoints available on that workspace who up automatically.
 
-- **Using VS Code or code first**: If you're using prompt flow in VS Code or one of the Code First offerings, you need to connect to the workspace. The Open Model LLM tool uses the azure.identity DefaultAzureCredential client for authorization. One way is through [setting environment credential values](https://learn.microsoft.com/python/api/azure-identity/azure.identity.environmentcredential?view=azure-python).
+- **Using VS Code or code first**: If you're using prompt flow in VS Code or one of the Code First offerings, you need to connect to the workspace. The Open Model LLM tool uses the azure.identity DefaultAzureCredential client for authorization. One way is through [setting environment credential values](/python/api/azure-identity/azure.identity.environmentcredential).
 
 ### Custom connections