Keywords not hyperlinked in Internal Links Basic + Pro

We have tried to set up the pro version of Internal Links but doesn’t get the links added to the index as expected.

We have added the keyword bbpress on this URL: https://www.gmengine.com/article/bbpress-how-to-use-it/
– That worked, and the keyword is counted in “Amount of configured keywords”

Then we have created this page: https://www.gmengine.com/article/wp-activity-log-for-bbpress/
I would expect the text “bbPress is bla bla bla”, would catch up the keyword “bbPress”. this isn’t the case, and no link is being created.

Under Settings the post type have been whitelisted, so that is as well not the reason for the index not to add the extra URL.

The page I need help with: [log in to see the link]