diff --git a/README.md b/README.md
index bcb19ea..71aec0a 100644
--- a/README.md
+++ b/README.md
@@ -7,8 +7,12 @@ To generate iso image
 
 # Run it
 
- `make && qemu-system-x86_64 -kernel kernel`
+ `make test`
 
  or
 
  `make fd.iso && qemu-system-x86_64 -cdrom fd.iso`
+
+ you can also test it
+
+ `make self_test`