diff --git a/include/linux/tty.h b/include/linux/tty.h
index ad4e4a835f90..833bb7b97ceb 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -168,6 +168,7 @@ struct tty_operations;
  * @write_wait: concurrent writers are waiting in this queue until they are
  *		allowed to write
  * @read_wait: readers wait for data in this queue
+ * @break_wait: wait queue for timed breaks
  * @hangup_work: normally a work to perform a hangup (do_tty_hangup()); while
  *		 freeing the tty, (re)used to release_one_tty()
  * @disc_data: pointer to @ldisc's private data (e.g. to &struct n_tty_data)