doc: additional hint for msg_send_receive()

8 years ago · 70c014d698
parent b67f8ca06c
commit 70c014d698
1 changed files with 1 additions and 1 deletions
--- a/core/include/msg.h
+++ b/core/include/msg.h
@ -187,7 +187,7 @@ int msg_try_receive(msg_t *m);
 * @param[in] m             Pointer to preallocated ``msg_t`` structure with
 *                          the message to send, must not be NULL.
 * @param[out] reply        Pointer to preallocated msg. Reply will be written
- *                          here, must not be NULL.
+ *                          here, must not be NULL. Can be identical to @p m.
 * @param[in] target_pid    The PID of the target process
 *
 * @return  1, if successful.