"Ungrammatical" is not really rather well-outlined inside the sense it's used in that quotation. If the writer just intended that "Here are the details" is preferable when composing for publication, I agree. The entry then lists dozens of cases of the cluster of conditions from 1852 to 1942, and from https://finnqsrpn.liberty-blog.com/33895265/the-click-here-diaries