1 files changed, 6 insertions, 0 deletions
diff --git a/Demos/Device/ClassDriver/VirtualSerialMouse/Descriptors.h b/Demos/Device/ClassDriver/VirtualSerialMouse/Descriptors.h
index 028695a77..68d5c3495 100644
--- a/Demos/Device/ClassDriver/VirtualSerialMouse/Descriptors.h
+++ b/Demos/Device/ClassDriver/VirtualSerialMouse/Descriptors.h
@@ -71,15 +71,21 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t    Config;
+
+			// CDC Control Interface
 			USB_Descriptor_Interface_Association_t   CDC_IAD;
 			USB_Descriptor_Interface_t               CDC_CCI_Interface;
 			USB_CDC_Descriptor_FunctionalHeader_t    CDC_Functional_Header;
 			USB_CDC_Descriptor_FunctionalACM_t       CDC_Functional_ACM;
 			USB_CDC_Descriptor_FunctionalUnion_t     CDC_Functional_Union;
 			USB_Descriptor_Endpoint_t                CDC_NotificationEndpoint;
+
+			// CDC Data Interface
 			USB_Descriptor_Interface_t               CDC_DCI_Interface;
 			USB_Descriptor_Endpoint_t                CDC_DataOutEndpoint;
 			USB_Descriptor_Endpoint_t                CDC_DataInEndpoint;
+
+			// Mouse HID Interface
 			USB_Descriptor_Interface_t               HID_Interface;
 			USB_HID_Descriptor_HID_t                 HID_MouseHID;
 	        USB_Descriptor_Endpoint_t                HID_ReportINEndpoint;