Author: fwaaldijk Format: MarkdownItexcorrected the reference to point to the right publication
<a href="https://ncatlab.org/nlab/revision/diff/Frank+Waaldijk/4">diff</a>, <a href="https://ncatlab.org/nlab/revision/Frank+Waaldijk/4">v4</a>, <a href="https://ncatlab.org/nlab/show/Frank+Waaldijk">current</a>
corrected the reference to point to the right publication