diff --git a/README.md b/README.md
index 2b42447aa3ef06a6c7793ff67e26ffe4333a475e..151493d9b83a834dd04e237a79c39e3ae94af662 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,8 @@ You need Rust nightly. Use rustup or NixOS.
 ```shell
 rustup update nightly
 rustup target add thumbv7em-none-eabihf
+cd example
+cargo build --release
 ```
 
 ## Crates