Likewise; it contains only this addition, that he (peace and blessings be upon him) said: "O Ali! Erase 'Messenger of Allah'." Sayyiduna Ali (may Allah be pleased with him) said: "I will never erase it." The Prophet (peace and blessings be upon him) himself took the document, and he (peace and blessings be upon him) could not write well.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب النكاح / 13289