The wording of the hadith of al-Mughirah bin Shu'bah (may Allah be pleased with him) is: "hatta tankashif" (until it becomes bright), and the wording of the hadith of Abu Mas'ud al-Ansari and Abu Bakrah (may Allah be pleased with them both) is: "hatta yukshafa ma bikum" (until what has befallen you is removed).
Hadith Referenceالسنن الكبرى للبيهقي / كتاب صلاة الخسوف / 6372