/usr/lib/ghc-doc/hoogle/chell-quickcheck.txt is in libghc-chell-quickcheck2-doc 0.2.2-2build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-chell-quickcheck2-doc/html/chell-quickcheck.txt