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Comparison of cdh and h cohomology

I expect that if $X$ is a finite type $k$-scheme, $k$ a field of characterisic $p$, then for primes $\ell\neq p$, $H^*_{cdh}(X;\mathbb{Z}/\ell\mathbb{Z})\cong H^*_{h}(X;\mathbb{Z}/\ell\mathbb{Z})$. Is …