modified README

README.md

@@ -104,8 +104,8 @@ export TAVILY_API_KEY={Your Tavily API Key here}
 
 For a more permanent setup, create a `.env` file in the current `gpt-researcher` directory and input the env vars (without `export`).
 
-- For LLM, we recommend **[OpenAI GPT](https://platform.openai.com/docs/guides/gpt)**, but you can use other LLMs such as `claude`, `ollama3`, `gemini`, `mistral` and more. To learn how to change the LLM provider, see the [LLMs documentation](https://docs.gptr.dev/docs/gpt-researcher/llms) page. 
-- The default retriever is **[Tavily](https://app.tavily.com)**, but you can refer to other retrievers such as `duckduckgo`, `google`, `bing`, `serper`, `searx`, `arxiv`, `exa` and more. To learn how to change the search provider, see the [retrievers documentation](https://docs.gptr.dev/docs/gpt-researcher/retrievers) page.
+- The default LLM is [GPT](https://platform.openai.com/docs/guides/gpt), but you can use other LLMs such as `claude`, `ollama3`, `gemini`, `mistral` and more. To learn how to change the LLM provider, see the [LLMs documentation](https://docs.gptr.dev/docs/gpt-researcher/llms) page. Please note: this project is optimized for OpenAI GPT models.
+- The default retriever is [Tavily](https://app.tavily.com), but you can refer to other retrievers such as `duckduckgo`, `google`, `bing`, `serper`, `searx`, `arxiv`, `exa` and more. To learn how to change the search provider, see the [retrievers documentation](https://docs.gptr.dev/docs/gpt-researcher/retrievers) page.
 
 ### Quickstart