Updating a document relating to updates of a graphical user interface (GUI) is provided. An example method includes identifying one or more images in a screenshot of an existing graphical user interface (GUI) and in a screenshot of a new GUI modified from the existing GUI; extracting image text associated with one or more component images from the existing GUI and the new GUI; identifying, in the new GUI, text and image differences between the component images from the existing GUI and the new GUI; identifying, in a document, document text associated with the text and image differences; and modifying the associated document text according to the identified text and image differences.