1 Nephi 10:5
1830 Edition
And he also spake concerning the prophets: How great a number had testified of these things, concerning this Messiah, of which he had spoken, or this Redeemer of the world.
Changes
And he also spake concerning the prophets:, Hhow great a number had testified of these things, concerning this Messiah, of whichom he had spoken, or this Redeemer of the world.
Simple English
He also spoke about the prophets. Many prophets had told about this Messiah, this Redeemer of the world.
Paraphrase
He talked about how many prophets had already testified about this Messiah, this Redeemer who would come.