```ruby
json.articles do
  json.array! @articles do |article|
    revision = article.revisions.order(wp10: :desc).first
    json.key article.id
    json.title article.title.gsub('_', ' ')
    json.revision_score revision.wp10
    json.user_wiki_id User.find(revision.user_id).wiki_id
    json.revision_datetime revision.date
    json.courses article.courses
  end
end
```

Use full_title for page titles in DYK list
user
```ruby
json.articles do
  json.array! @articles do |article|
    revision = article.revisions.order(wp10: :desc).first
    json.key article.id
    json.title full_title(article)
    json.revision_score revision.wp10
    json.user_wiki_id User.find(revision.user_id).wiki_id
    json.revision_datetime revision.date
    json.courses article.courses
  end
end
```
assistant