This is so similar to the Stormlight Archive series by Brandon Sanderson. In the world of the Stormlight Archive, called Roshar, men from the Vorin religion are

This is so similar to the Stormlight Archive series by Brandon Sanderson. In the world of the Stormlight Archive, called Roshar, men from the Vorin religion are not expected to be able to read (it is considered even blasphemous). Even many scholars cannot read or write and instead dictate to their wives to write down. This led to many women secretly making corrections to their husbands' work in the margins!