Parol evidence can be introduced at trial to correct an obvious clerical error in a contract if the error clearly does not represent the parties' agreement.

Parol Evidence

A legal rule that prohibits the introduction of outside evidence to add, modify, or contradict the terms of a written agreement.

Clerical Error

A minor mistake or omission made due to oversight or mishandling in documents, records, or transactions, typically seen as non-material and correctable.