diff --git a/docs/tutorial-http-agent.md b/docs/tutorial-http-agent.md
index 80fd75a..4b67d2d 100644
--- a/docs/tutorial-http-agent.md
+++ b/docs/tutorial-http-agent.md
@@ -35,9 +35,12 @@ python -m pip install "agentops-toolkit[foundry,agent]"
 $env:AZURE_AI_FOUNDRY_PROJECT_ENDPOINT = "https://<resource>.services.ai.azure.com/api/projects/<project>"
 $env:AZURE_OPENAI_ENDPOINT             = "https://<resource>.openai.azure.com"
 $env:AZURE_OPENAI_DEPLOYMENT           = "gpt-4o-mini"
-$env:AZURE_AI_MODEL_DEPLOYMENT_NAME    = "gpt-4o-mini"
 ```
 
+`AZURE_AI_MODEL_DEPLOYMENT_NAME` is accepted as a fallback name for the
+judge deployment. Set only one of the two — `AZURE_OPENAI_DEPLOYMENT`
+wins when both are set.
+
 AgentOps is installed from the `develop` branch in this tutorial because
 the 1.0 tutorial surface is still being tested before the PyPI release.