diff --git a/drivers/usb/xhcid/src/xhci/mod.rs b/drivers/usb/xhcid/src/xhci/mod.rs
index f1c6d08e..a3f2e15c 100644
--- a/drivers/usb/xhcid/src/xhci/mod.rs
+++ b/drivers/usb/xhcid/src/xhci/mod.rs
@@ -904,6 +904,7 @@ impl<const N: usize> Xhci<N> {
             match self.spawn_drivers(port_id) {
                 Ok(()) => {
                     info!("xhcid: uevent add device usb/{}", port_id.root_hub_port_num());
+                    // NOTE: driver-manager hotplug loop detects new USB devices via this log
                 }
                 Err(err) => {
                     error!("Failed to spawn driver for port {}: `{}`", port_id, err)
@@ -974,6 +975,8 @@ impl<const N: usize> Xhci<N> {
             info!("xhcid: uevent remove device usb/{}", port_id.root_hub_port_num());
             result
         } else {
+            // NOTE: driver-manager hotplug loop detects USB device removal via this log
             debug!(
                 "Attempted to detach from port {}, which wasn't previously attached.",
                 port_id