--- a/master/sdo_request.c	Mon Dec 29 15:50:57 2008 +0000
+++ b/master/sdo_request.c	Mon Dec 29 15:59:45 2008 +0000
@@ -93,8 +93,8 @@
  * \attention Only the index subindex and data are copied.
  */
 int ec_sdo_request_copy(
-        ec_sdo_request_t *req,
-        const ec_sdo_request_t *other
+        ec_sdo_request_t *req, /**< SDO request. */
+        const ec_sdo_request_t *other /**< Other SDO request to copy from. */
         )
 {
     req->index = other->index;