diff --git a/README.md b/README.md
index 12f304eb42..c3c6a143cb 100644
--- a/README.md
+++ b/README.md
@@ -38,6 +38,7 @@ This app starts a foreground service with a low priority status bar notification
 * Account/identity colors
 * Notifications per account
 * Notifications with message details (requires Android 7 Nougat or later)
+* Notification sound per sender (requires Android 8 Oreo or later)
 * Snooze messages ([instructions](https://github.com/M66B/open-source-email/blob/master/FAQ.md#user-content-faq67))
 * Send messages after selected time
 * Synchronization schedules ([instructions](https://github.com/M66B/open-source-email/blob/master/FAQ.md#user-content-faq78))