diff --git a/README.md b/README.md
index 00f2d474..0bdfbc67 100644
--- a/README.md
+++ b/README.md
@@ -94,7 +94,7 @@ please see [this FAQ](https://github.com/M66B/NetGuard/blob/master/FAQ.md#user-c
 
 NetGuard is not supported for apps installed in a [work profile](https://developer.android.com/work/managed-profiles),
 or in a [Secure Folder](https://www.samsung.com/uk/support/mobile-devices/what-is-the-secure-folder-and-how-do-i-use-it/) (Samsung),
-or as second instance (MIUI), or as Parallel app (OnePlus),
+or as second instance (MIUI), or as Parallel app (OnePlus), or as Xiaomi dual app
 because the Android VPN service too often does not work correctly in this situation, which can't be fixed by NetGuard.
 
 Filtering mode cannot be used on [CopperheadOS](https://copperhead.co/android/).