Same problem here. The bug has already been reported on Meta Stack Exchange, with many confirmations. Hopefully this will get fixed some time soon.
clicking any of the links offered (they open in new tabs) - scrolling gets fixed
pressing the up arrow to close the suggestions and reopening them with the down arrow
using a different ...
In the help article you've linked, you need to think of the word "meta" as an adjective instead of part of the site name.
For example, if the article is about explaining the colour grey for Ask Ubuntu, it would have been like so.
What is "grey"? How does it work?
Grey Ask Ubuntu is the part of the site where users [...]
The article isn'...