Index: uspace/drv/block/ata_bd/main.c
===================================================================
--- uspace/drv/block/ata_bd/main.c	(revision d5c1051faf4391647834d99babdd4a44ee5d9700)
+++ uspace/drv/block/ata_bd/main.c	(revision 84a1a546f62a2ba0f913f8f1bfce8d4bc68d7aa4)
@@ -106,5 +106,5 @@
  *
  * @param  dev New device
- * @return     EOK on success or negative error code.
+ * @return     EOK on success or an error code.
  */
 static int ata_dev_add(ddf_dev_t *dev)
Index: uspace/drv/block/ddisk/ddisk.c
===================================================================
--- uspace/drv/block/ddisk/ddisk.c	(revision d5c1051faf4391647834d99babdd4a44ee5d9700)
+++ uspace/drv/block/ddisk/ddisk.c	(revision 84a1a546f62a2ba0f913f8f1bfce8d4bc68d7aa4)
@@ -408,5 +408,5 @@
  *
  * @param  dev New device
- * @return     EOK on success or negative error code.
+ * @return     EOK on success or an error code.
  */
 static int ddisk_dev_add(ddf_dev_t *dev)
Index: uspace/drv/block/usbmast/main.c
===================================================================
--- uspace/drv/block/usbmast/main.c	(revision d5c1051faf4391647834d99babdd4a44ee5d9700)
+++ uspace/drv/block/usbmast/main.c	(revision 84a1a546f62a2ba0f913f8f1bfce8d4bc68d7aa4)
@@ -216,5 +216,5 @@
  * @param mdev		Mass storage device
  * @param lun		LUN
- * @return		EOK on success or negative error code.
+ * @return		EOK on success or an error code.
  */
 static int usbmast_fun_create(usbmast_dev_t *mdev, unsigned lun)