diff --git a/examples/nrf51/.cargo/config.toml b/examples/nrf51/.cargo/config.toml
index 84f0e1572..29d35a9b4 100644
--- a/examples/nrf51/.cargo/config.toml
+++ b/examples/nrf51/.cargo/config.toml
@@ -1,5 +1,5 @@
 [target.'cfg(all(target_arch = "arm", target_os = "none"))']
-# replace nRF82840_xxAA with your chip as listed in `probe-rs chip list`
+# replace nRF51822_xxAA with your chip as listed in `probe-rs chip list`
 runner = "probe-rs run --chip nRF51822_xxAA"
 
 [build]