Update descriptions for related projects in README

Clarified the descriptions for the META and RFM related projects, updating 'META.js project' to 'META.js repository' and 'Rule sets and filters' to 'Rulesets'.

README.md

@@ -217,8 +217,8 @@ This project is licensed under the **GNU General Public License v3.0** - see the
 
 ## 🤝 Related Projects
 
-- **[xixu-me/META](https://github.com/xixu-me/META)** - The main META.js project
+- **[xixu-me/META](https://github.com/xixu-me/META)** - The main META.js repository
-- **[xixu-me/RFM](https://github.com/xixu-me/RFM)** - Rule sets and filters
+- **[xixu-me/RFM](https://github.com/xixu-me/RFM)** - Rulesets
 - **[xixu-me/favicons](https://github.com/xixu-me/favicons)** - Service icons repository
 
 ## 📞 Support