Index: uspace/doc/doxygroups.h
===================================================================
--- uspace/doc/doxygroups.h	(revision 21580dd3dd9a49828a6c8dd3988e651a60708c10)
+++ uspace/doc/doxygroups.h	(revision 49718128accdeacf6fe042496fd599feb593f4b2)
@@ -155,5 +155,5 @@
 	 * @endcond
 	 */
-	
+
 /**
  * @defgroup emul Emulation Libraries
@@ -170,2 +170,13 @@
 	 * @ingroup emul
 	 */
+
+/**
+ * @defgroup usb USB
+ * @ingroup uspace
+ * @brief USB support for HelenOS.
+ */
+	/**
+	 * @defgroup libusb USB library
+	 * @ingroup usb
+	 * @brief Library for creating USB devices drivers.
+	 */