diff --git a/python/samples/02-agents/devui/agent_content_understanding/README.md b/python/samples/02-agents/devui/agent_content_understanding/README.md
index a1baf0a5ce8..a6cd73a133b 100644
--- a/python/samples/02-agents/devui/agent_content_understanding/README.md
+++ b/python/samples/02-agents/devui/agent_content_understanding/README.md
@@ -7,7 +7,7 @@ Interactive web UI for uploading and chatting with documents, images, audio, and
 1. Set environment variables (or create a `.env` file in `python/`):
    ```bash
    FOUNDRY_PROJECT_ENDPOINT=https://your-project.api.azureml.ms
-   AZURE_OPENAI_RESPONSES_DEPLOYMENT_NAME=gpt-4.1
+   FOUNDRY_MODEL=gpt-4.1
    AZURE_CONTENTUNDERSTANDING_ENDPOINT=https://your-cu-resource.cognitiveservices.azure.com/
    ```
 
diff --git a/python/samples/02-agents/devui/agent_content_understanding_file_search_azure_openai/README.md b/python/samples/02-agents/devui/agent_content_understanding_file_search_azure_openai/README.md
index c65c6804f1a..9b0d743efd1 100644
--- a/python/samples/02-agents/devui/agent_content_understanding_file_search_azure_openai/README.md
+++ b/python/samples/02-agents/devui/agent_content_understanding_file_search_azure_openai/README.md
@@ -15,7 +15,7 @@ Interactive web UI for uploading and chatting with documents, images, audio, and
 1. Set environment variables (or create a `.env` file in `python/`):
    ```bash
    FOUNDRY_PROJECT_ENDPOINT=https://your-account.services.ai.azure.com/api/projects/your-project
-   AZURE_OPENAI_RESPONSES_DEPLOYMENT_NAME=gpt-4.1
+   FOUNDRY_MODEL=gpt-4.1
    AZURE_CONTENTUNDERSTANDING_ENDPOINT=https://your-cu-resource.services.ai.azure.com/
    ```