--- a/master/domain.c	Wed Aug 09 14:38:44 2006 +0000
+++ b/master/domain.c	Wed Aug 09 15:04:07 2006 +0000
@@ -159,7 +159,7 @@
 
 int ec_domain_reg_pdo_entry(ec_domain_t *domain, /**< EtherCAT domain */
                             ec_slave_t *slave, /**< slave */
-                            const ec_sii_pdo_t *pdo,
+                            const ec_sii_pdo_t *pdo, /**< PDO */
                             const ec_sii_pdo_entry_t *entry,
                             /**< PDO registration entry */
                             void **data_ptr /**< pointer to the process data