This is just a notification that we are aware of the issue and its cause (old versions of the HTML are cached). If you purge the cache of a file where this problem occurs (by adding ?action=purge to the end of the URL), OR click on the "Edit" link on the statement panel, or make an edit on that page, the problem should go away.
We will link into fixing the issue via a batch process, or simply letting the caches expire over time.
Example: