diff --git a/README.md b/README.md
index c6866cf..c282643 100644
--- a/README.md
+++ b/README.md
@@ -405,6 +405,9 @@ There are some considerations when running macOS via Quickemu.
 -   Optimised by default, but no GPU acceleration is available.
     -   Host CPU vendor is detected and guest CPU is optimised
         accordingly.
+    -   [VirtIO Block
+        Media](https://www.kraxel.org/blog/2019/06/macos-qemu-guest/) is
+        used for the system disk where supported.
     -   [VirtIO `usb-tablet`](http://philjordan.eu/osx-virt/) is used
         for the mouse.
     -   VirtIO Network (`virtio-net`) is supported and enabled on macOS