docs(README): update data management API description

- Remove outdated information about managing core news data

Author: fulleni

README.md

@@ -40,7 +40,7 @@ This API server comes packed with all the features you need to launch a professi
 > **Your Advantage:** Deliver a seamless, personalized experience that keeps users' settings in sync, boosting engagement and retention. ❤️
 
 #### 💾 **Robust Data Management API**
-*   Securely manage all your core news data, including headlines, topics, sources, and countries.
+*   Leverages a clean, RESTful architecture with dedicated endpoints for each resource (headlines, topics, sources, etc.), following industry best practices.
 *   The API supports flexible querying, filtering, and sorting, allowing your app to display dynamic content feeds.
 > **Your Advantage:** A powerful and secure data backend that's ready to scale with your content needs. 📈