if (msgt_want->ctn_type) {
xbt_assert1(payload,
- "Message type '%s' convey a payload you must accept",
+ "Message type '%s' convey a payload that you must accept",
msgt_want->name);
} else {
xbt_assert1(!payload,
- "No payload was declared for message type '%s'",
+ "No payload was declared for message type '%s' (don't expect one)",
msgt_want->name);
}