(CNN) — The BBC has apologized to Catherine, Princess of Wales for referring to her as “Kate Middleton” during the British broadcaster’s recent coverage of Armistice Day.

News presenter and correspondent Rajini Vaidyanathan repeatedly referred to the popular 43-year-old royal by her maiden name last week, sparking complaints from viewers watching the Remembrance coverage.

“During our coverage of memorials to commemorate Armistice Day we mistakenly referred to Catherine, Princess of Wales as Kate Middleton; these were errors during hours of live broadcasting for which we apologise,” the BBC said in a statement.

“Throughout our Armistice Day coverage more broadly, we referred to Catherine by her correct title,” it added.

Armistice Day – also known as Remembrance Day – commemorates the

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