diff --git a/autogen/oai/client.py b/autogen/oai/client.py
index 833cc777219..481e55728c5 100644
--- a/autogen/oai/client.py
+++ b/autogen/oai/client.py
@@ -1069,7 +1069,7 @@ def extract_text_or_completion_object(
 
     def _throttle_api_calls(self, idx: int) -> None:
         """Rate limit api calls."""
-        if self._rate_limiters[idx]:
+        if idx < len(self._rate_limiters) and self._rate_limiters[idx]:
             limiter = self._rate_limiters[idx]
 
             assert limiter is not None
diff --git a/website/docs/Getting-Started.mdx b/website/docs/Getting-Started.mdx
index 761ed6f3d34..291345c6f03 100644
--- a/website/docs/Getting-Started.mdx
+++ b/website/docs/Getting-Started.mdx
@@ -45,7 +45,7 @@ pip install autogen-agentchat~=0.2
 import os
 from autogen import AssistantAgent, UserProxyAgent
 
-llm_config = {"model": "gpt-4", "api_key": os.environ["OPENAI_API_KEY"]}
+llm_config = { "config_list": [{ "model": "gpt-4", "api_key": os.environ.get("OPENAI_API_KEY") }] }
 assistant = AssistantAgent("assistant", llm_config=llm_config)
 user_proxy = UserProxyAgent("user_proxy", code_execution_config=False)