Fix listing format in reindex docs
@@ -891,6 +891,7 @@ Which results in a sensible `total` like this one:
Adding `slices` to `_reindex` just automates the manual process used in the
section above, creating sub-requests which means it has some quirks:
+
* You can see these requests in the <<docs-reindex-task-api,Tasks APIs>>. These
sub-requests are "child" tasks of the task for the request with `slices`.
* Fetching the status of the task for the request with `slices` only contains
