Update README.md with OpenAI link (#61)

README.md

@@ -16,7 +16,7 @@ Ultralytics Actions automatically applies formats and updates:
 - **Docstrings:** Utilizing [docformatter](https://github.com/myint/docformatter) for clean and standardized documentation comments.
 - **Spell Check:** Employing [codespell](https://github.com/codespell-project/codespell) for catching common misspellings.
 - **Broken Links Check:** Implementing [Lychee](https://github.com/lycheeverse/lychee) to report broken links in docs and markdown files.
-- **PR Summary:** Generating concise, AI-powered summaries for pull requests using OpenAI GPT4, enhancing code review efficiency and clarity.
+- **PR Summary:** Generating concise [OpenAI](https://openai.com/) GPT4-powered PR summaries, enhancing PR clarity.
 
 ## 🛠 How It Works