For the case when more than one category specified in the news item, make sure category names formatted nicely with comma delimiter like this: category1, category2. Instead of categor1category2.
Less code than in commit c3b327dbe75b36640bd2df6880ecb4b98c2eff8b
Thank you @budparr and @parkr
Merge pull request #2191 from pilosus/site