1 files changed, 1 insertions, 1 deletions

diff --git a/examples/rp/src/bin/pio_uart.rs b/examples/rp/src/bin/pio_uart.rs
index dca28d779..fb9d423ec 100644
--- a/examples/rp/src/bin/pio_uart.rs
+++ b/examples/rp/src/bin/pio_uart.rs
@@ -75,7 +75,7 @@ async fn main(_spawner: Spawner) {
         &mut device_descriptor,
         &mut config_descriptor,
         &mut bos_descriptor,
-        &mut [],
+        &mut [], // no msos descriptors
         &mut control_buf,
     );