diff --git a/book/en/src/by-example/app.md b/book/en/src/by-example/app.md
index d23c2619aa..e8e1d7a62e 100644
--- a/book/en/src/by-example/app.md
+++ b/book/en/src/by-example/app.md
@@ -53,9 +53,10 @@ $ cargo run --example init
 {{#include ../../../../ci/expected/init.run}}
 ```
 
-> **NOTE**: Remember to always specify your chosen target device or configure
-> one to be used by default in `.cargo/config.toml`. In this case, we use
-> a Cortex M3 running in QEMU so the target is `thumbv7m-none-eabi`.
+> **NOTE**: Remember to specify your chosen target device by passing a target
+> triple to cargo (e.g `cargo run --example init --target thumbv7m-none-eabi`) or
+> configure a device to be used by default when building the examples in `.cargo/config.toml`.
+> In this case, we use a Cortex M3 emulated in QEMU so the target is `thumbv7m-none-eabi`.
 
 ## `idle`