diff --git a/README.md b/README.md
index 40f0c67..357b1d9 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ cd ..
 
 ### On VM  
 
-run ```./test.sh``` to run in VM using QEMU  
+run ```./test.sh # only works on AMD64``` to run in VM using QEMU  
 
 ### On Real hardware