And while he was praying, the appearance of his countenance was altered, and his vestment became white and shining
Other versions
King James Version
And as he prayed, the fashion of his countenance was altered, and his raiment was white and glistering.English Standard Version
And as he was praying, the appearance of his face was altered, and his clothing became dazzling white.New International Version
As he was praying, the appearance of his face changed, and his clothes became as bright as a flash of lightning.