diff --git a/README.md b/README.md
index 40d38ba2d1c9ea4183565a2dbee578858048c5b0..0c03a84c98202c6a146b55e5ebdd6218522fb874 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,11 @@ cd example
 cargo build --release
 ```
 
+Then copy the resulting
+`../target/thumbv7em-none-eabihf/release/l0dable-example` to the badge
+in USB Mass Storage mode. Don't forget to rename with the `.elf`
+extension!
+
 ## Crates
 
 | Crate    | Description                                               |