We require secondary sources

Philip Roth tries to correct an inaccuracy in the Wikipedia article about his own book:

Yet when, through an official interlocutor, I recently petitioned Wikipedia to delete this misstatement, along with two others, my interlocutor was told by the “English Wikipedia Administrator”—in a letter dated August 25th and addressed to my interlocutor—that I, Roth, was not a credible source: “I understand your point that the author is the greatest authority on their own work,” writes the Wikipedia Administrator—“but we require secondary sources.”