A method and correct apparatus for correction of at least one digital information item which is transmitted by at least one information source to at least one information sink is provided. The information source can be connected both to an information sink and also to a correction apparatus by means of a data transmission medium. The information processed by the information source for the information sink comprises a first variable name, with the following process steps: a) provision of listed variable names in a second memory area of the correction apparatus, b) then the information source transmits an information item which contains the first variable name, c) extraction of the first variable name from the transmitted information item and saving thereof in a first memory area, d) comparison of the first variable name with a listed variable name and determination of a discrimination criterion on the basis of this comparison, e) a decision is made using the discrimination criterion as to whether the first variable name remains unchanged or is replaced by the listed variable name from method step c) or whether method steps d) and e) are to be repeated by application of an additional, listed variable name and by determining of an additional discrimination criterion.