1. A method of semantic, syntactic and/or lexical correction of an erroneous expression in a digital text, characterized in that it comprises at one and the same time: a step ( 74 ) of transforming the digital text into a digital voice message, in which the graphemes of the erroneous textual expression are converted into phoneme(s) constituting an intelligible vocal expression, and then a step ( 78 ) of processing the digital voice message obtained at the end of the transformation step ( 74 ), in which the phoneme or phonemes constituting the intelligible vocal expression is or are converted into grapheme(s) constituting a corrected textual expression of the erroneous textual expression, with the aid of pre-established writing rules.