docs(features): update list

Author: hywax

README.md

@@ -28,14 +28,16 @@
 
 ## Features
 
-* 🔐 **Safety**. All requests to third-party services occur in backend.
+* 🔐 **Privacy**. All requests to third-party services occur in backend.
 * ⚡ **Real-time**. Interactive cards with extra information.
-* 🌎 **Languages**. Supports multiple languages.
+* 🌎 **Multi-language**. Supports multiple languages.
 * 🎨 **Themes**. Customize the look to your liking.
 * 🗂️ **Grouping**. Create custom service groups.
 * 👌 **Easy setup**. A few lines of yaml and your homepage is ready to go.
 * 🚀 **Fast**. Everything is fast and free of hang-ups.
 * 🐳 **Docker**. Optimized docker images for popular platforms.
+* ✨ **Free**. Mafl is completely free and open source.
+* 📲 **PWA**. Installable application.
 
 ## Getting started