1. A method, comprising: receiving, at an information handling device input component, user input comprising a sentence; inserting, using a processor, the user input in an electronic document; identifying, using the processor, the sentence; determining, using the processor, correct punctuation for the sentence identified; determining, using the processor, a confidence level for the correct punctuation determined; and responsive to the confidence level exceeding a predetermined threshold, automatically modifying, using the processor, the sentence based on the correct punctuation determined, wherein the automatically modifying comprises correcting existing punctuation.