* t1.submit();
*
* AsyncReadTransaction t2 = broker.newReadOnlyTransaction();
- * Optional<?> maybeData = t2.read(id).get();
+ * Optional<?> maybeData = t2.read(id).get();
*
* it may happen, that it sees maybeData.isPresent() == false, simply because
* t1 has not completed the processes of being applied and t2 is actually