No, that is not true. States ratify Amendments...
I suggest to you that you educate yourself on the concepts of federalism...
Federalism is spelled out here quite clearly... you need to educate yourself in the English language...
Article V
The Congress, whenever two thirds of both houses shall deem it necessary, shall propose amendments to this Constitution, or, on the application of the legislatures of two thirds of the several states, shall call a convention for proposing amendments, which, in either case, shall be valid to all intents and purposes, as part of this Constitution, when ratified by the legislatures of three fourths of the several states, or by conventions in three fourths thereof, as the one or the other mode of ratification may be proposed by the Congress;...
No, dear, you're quite hopelessly ignorant of the principles of federalism if you think that sentence you highlighted in red is all one needs to know federalism.
But I really am wasting my breath here. And have better things to do.