Comedic Wordplay

By subtly working your will you're able to minorly influence what another entity has said in a language you understand within the last 6 seconds by either changing or adding a singular letter or punctuation mark. This change CANNOT influence the verbal casting components of a spell.

The amount of letters or punctuation marks changed by this spell increases by 1 when you reach 5th level (2 changes), 11th level (3 changes), and it can be one full word or additional letter at 17th level (4 changes or one full word).