A spelling error in last month's education white paper meant it had to be reprinted the day before publication at a cost of "just under £23,000".
Education minister Lord Adonis, who made the admission in a written reply, blamed "minor drafting errors".
A slogan was mistakenly spelt "Higer Standards, Better Schools for All".
Liberal Democrat spokesman Baroness Walmsley said this raised questions about the "standard of literacy" among some Whitehall officials.