diff --git a/README.md b/README.md
index 4705a6e..8bd43e7 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,9 @@
 # bRAC
 better RAC client
+
+## how to build
+
+```bash
+cargo build --release # build release
+cargo run # run
+```