Index: uspace/lib/usb/src/recognise.c
===================================================================
--- uspace/lib/usb/src/recognise.c	(revision d08abdb7204efa143a7d4b4fb063307727ca0d37)
+++ uspace/lib/usb/src/recognise.c	(revision c13ecfeafc4ac52d2edf0fe7af3a8fe05b764278)
@@ -27,5 +27,5 @@
  */
 
-/** @addtogroup libusb usb
+/** @addtogroup libusb
  * @{
  */
@@ -39,4 +39,10 @@
 #include <errno.h>
 
+/** Callback for getting host controller handle.
+ *
+ * @param dev Device in question.
+ * @param[out] handle Devman handle of the host controller.
+ * @return Error code.
+ */
 static int usb_iface_get_hc_handle(device_t *dev, devman_handle_t *handle)
 {
@@ -237,4 +243,5 @@
  * @param matches Match ids list to add matches to.
  * @param address USB address of the attached device.
+ * @param config_count Number of configurations the device has.
  * @return Error code.
  */
@@ -342,7 +349,8 @@
 /** Probe for device kind and register it in devman.
  *
- * @param hc Open phone to the host controller.
- * @param parent Parent device.
- * @param address Address of the (unknown) attached device.
+ * @param[in] hc Open phone to the host controller.
+ * @param[in] parent Parent device.
+ * @param[in] address Address of the (unknown) attached device.
+ * @param[out] child_handle Handle of the child device.
  * @return Error code.
  */