diff --git a/README.md b/README.md
index b20572b..4d68925 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # asm-hello-world
-Hello world in x86_64 assembly.
+A simple hello world in x86_64 assembly with the AT&T syntax.
+
+Only work on linux atm.