update README

Author: jssmith

openai_agents/README.md

@@ -1,8 +1,12 @@
 # Pre-release of Temporal integration with OpenAI Agents SDK
 
-These sampoles are adatapted from the code in the OpenAI Agents SDK:
+⚠️ **Experimental** - This module is not yet stable and may change in the future.
+
+These samples are adapted from the code in the OpenAI Agents SDK:
 
 https://github.com/openai/openai-agents-python/tree/main/examples
 
-The workflow and activity worker is started through run_workflow.py
-Each of the individual sample is started through run_....py
+The workflow and activity worker is started through `run_workflow.py`.
+This worker supports all samples.
+
+Each of the individual sample is started through `run_....py`.