canio: doc improvements

Author: jepler

shared-bindings/canio/Message.c

@@ -117,7 +117,7 @@ STATIC const mp_obj_property_t canio_message_id_obj = {
 //|     data: bytes
 //|     """The content of the message, or dummy content in the case of an rtr.
 //|
-//|     Assigning to data also sets the length and clears the rtr flag."""
+//|     Assigning to data also clears the rtr flag, if it was set."""
 //|
 STATIC mp_obj_t canio_message_data_get(const mp_obj_t self_in) {
     canio_message_obj_t *self = self_in;

shared-bindings/canio/__init__.c

@@ -40,8 +40,8 @@
 //|   from board import *
 //|
 //|   can = canio.CAN(board.CAN_RX, board.CAN_TX, baudrate=1000000)
-//|   message = canio.Message(id=0x0408, data="adafruit"
-//|   can.write(message))
+//|   message = canio.Message(id=0x0408, data=b"adafruit")
+//|   can.send(message)
 //|   can.deinit()
 //|
 //| This example will write the data 'adafruit' onto the CAN bus to any