case HCI_AUTO_CONN_DIRECT:
                        /* Only devices advertising with ADV_DIRECT_IND are
                         * triggering a connection attempt. This is allowing
-                        * incoming connections from slave devices.
+                        * incoming connections from peripheral devices.
                         */
                        if (adv_type != LE_ADV_DIRECT_IND)
                                return NULL;
                case HCI_AUTO_CONN_ALWAYS:
                        /* Devices advertising with ADV_IND or ADV_DIRECT_IND
                         * are triggering a connection attempt. This means
-                        * that incoming connections from slave device are
-                        * accepted and also outgoing connections to slave
+                        * that incoming connections from peripheral device are
+                        * accepted and also outgoing connections to peripheral
                         * devices are established when found.
                         */
                        break;
 
        hid->dev.parent = &session->conn->hcon->dev;
        hid->ll_driver = &hidp_hid_driver;
 
-       /* True if device is blacklisted in drivers/hid/hid-quirks.c */
+       /* True if device is blocked in drivers/hid/hid-quirks.c */
        if (hid_ignore(hid)) {
                hid_destroy_device(session->hid);
                session->hid = NULL;
 
                /* When pairing a new device, it is expected to remember
                 * this device for future connections. Adding the connection
                 * parameter information ahead of time allows tracking
-                * of the slave preferred values and will speed up any
+                * of the peripheral preferred values and will speed up any
                 * further connection establishment.
                 *
                 * If connection parameters already exist, then they