diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index 2fb4204..0daff0d 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -66,9 +66,9 @@
 /**
  * usb_find_alt_setting() - Given a configuration, find the alternate setting
  * for the given interface.
- * @config - the configuration to search (not necessarily the current config).
- * @iface_num - interface number to search in
- * @alt_num - alternate interface setting number to search for.
+ * @config: the configuration to search (not necessarily the current config).
+ * @iface_num: interface number to search in
+ * @alt_num: alternate interface setting number to search for.
  *
  * Search the configuration's interface cache for the given alt setting.
  */