diff --git a/README.adoc b/README.adoc
index 06eabc9..8ebec98 100644
--- a/README.adoc
+++ b/README.adoc
@@ -10811,7 +10811,7 @@ The most useful ARM baremetal example sets we've seen so far are:
 * https://github.com/dwelch67/qemu_arm_samples QEMU `-m vexpress`
 * https://github.com/bztsrc/raspi3-tutorial real hardware + QEMU `-m raspi`
 * https://github.com/LdB-ECM/Raspberry-Pi real hardware
-* https://github.com/NienfengYao/armv8-bare-metal QEMU `-m virt` aarch64
+* https://github.com/NienfengYao/armv8-bare-metal QEMU `-m virt` aarch64. A large part of the code is taken from the awesome educational OS under 2-clause BSD: https://github.com/takeharukato/sample-tsk-sw/tree/ce7973aa5d46c9eedb58309de43df3b09d4f8d8d/hal/aarch64
 
 === How we got some baremetal stuff to work