diff --git a/src/include/mailboxes.h b/src/include/mailboxes.h
index 58e386e9f..68caee8d1 100644
--- a/src/include/mailboxes.h
+++ b/src/include/mailboxes.h
@@ -84,8 +84,7 @@ extern "C" {
  * Returns the next message in the queue without removing it.
  * @note A message must be waiting in the queue for this function to work or
  *       it would return garbage. The correct way to use this macro is to
- *       use @p chMBContainsMessages() and then use this macro, all within
- *       a lock state.
+ *       use @p chMBGetFull() and then use this macro, all within a lock state.
  */
 #define chMBPeek(mbp) (*(mbp)->mb_rdptr)