Changing the instructions from
vladimir prelovac, https://www.prelovac.com/vladimir
cars, car, autos, auto, https://mycarblog.com/
to
vladimir prelovac,https://www.prelovac.com/vladimir
cars, car, autos, auto,https://mycarblog.com/
Will help users avoid the space issue.
My error ended up not being related to that. When you check the Prevent linking in heading tags box, the plugin interferes with any inline styles a user might try to add to a heading and outputs something like this:
<h2 style=”\”text-align:center;\””>