Doesn’t create the tooltip or the link

I installed the plugin and created a glossary term and definition. When I go to a page that has that term, “advocate”, I don’t see a link or hoverover. I really like the style, so I would love to use the plugin.

https://stairwaytostem.wpengine.com/the-parent-trap-when-to-let-go-and-when-to-hold-on-as-your-child-transitions-to-college/

Version 3.0.2

WordPress 4.9.5

I tried a couple of themes on multiple browsers Firefox and Chrome but nothing seems to work.