When two parties have imperfectly expressed their agreement and this imperfection results in a dispute, a court may change the contract by rewriting it to conform to the parties' actual intentions. This contract modification is called .

reformation

Explanation: Reformation is the change of an existing document by court order upon petition of one of the parties to the document but this will only be ordered if there is proof that the parties did not intend the language as written or there was an omission due to mistake or misunderstanding.

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