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By the way, editing Ayu's wikipedia page is more complicated since it is a featured article, you can see the star in the right corner. It is more complicated to edit it without experience in Wikipedia or without being a user.

Featured articles are considered to be some of the best articles Wikipedia has to offer, as determined by Wikipedia's editors. They are used by editors as examples for writing other articles. Before being listed here, articles are reviewed as featured article candidates for accuracy, neutrality, completeness, and style according to our featured article criteria. Many featured articles were previously good articles (which are reviewed with a less restrictive set of criteria). There are 6,110 featured articles out of 6,545,163 articles on the English Wikipedia (about 0.09% or one out of every 1,070 articles). Articles that no longer meet the criteria can be proposed for improvement or removal at featured article review.