diff --git a/nx/include/switch/services/usb.h b/nx/include/switch/services/usb.h
index c0af9f63..391f6830 100644
--- a/nx/include/switch/services/usb.h
+++ b/nx/include/switch/services/usb.h
@@ -251,5 +251,5 @@ Result usbDsEndpoint_Cancel(UsbDsEndpoint* endpoint);
 Result usbDsEndpoint_PostBufferAsync(UsbDsEndpoint* endpoint, void* buffer, size_t size, u32* urbId);
 Result usbDsEndpoint_GetReportData(UsbDsEndpoint* endpoint, UsbDsReportData* out);
 Result usbDsEndpoint_StallCtrl(UsbDsEndpoint* endpoint);
-Result usbDsEndpoint_SetZlt(UsbDsEndpoint* endpoint, bool zlt);
+Result usbDsEndpoint_SetZlt(UsbDsEndpoint* endpoint, bool zlt); // Sets Zero Length Termination for endpoint