I felt that way as well, however I found it very interesting that the Official Church website says that 2nd Esdras, where this prophecy is found is of "special value"
https://www.lds.org/scriptures/bd/apocrypha - that did serve to ease my mind on its validity - still, let the Spirit guide you...[/quote]
It doesn't specify that 2nd Esdras is very valuable. This is what it says:
Referring to all the books of the Apocrypha.They are valuable as forming a link connecting the Old and New Testaments and are regarded in the Church as useful reading, although not all the books are of equal value.