diff --git a/Support-for-AArch64.md b/Support-for-AArch64.md
index 0c5abe4..35c0988 100644
--- a/Support-for-AArch64.md
+++ b/Support-for-AArch64.md
@@ -22,6 +22,9 @@ Upgraded development environment:
 *  Ubuntu Mate 22.04
 *  GCC-11.4
 
+MacOS does not work natively but works from a Linux VM. Virtualbox does not support ARM but UTM/Qemu works at full speed.
+Tested on Mac Mini M2 Ubuntu Mate 22.04. MacOS x86_64 is untested and unknown.
+
 Compile with:
 
 `$ ./arm-build-sh`