/usr/lib/ghc-doc/hoogle/universe.txt is in libghc-universe-doc 0.4.0.4-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-universe-doc/html/universe.txt
/usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-universe-doc/html/universe.txt