/usr/lib/ghc-doc/hoogle/libghc-universe-base-doc.txt is in libghc-universe-base-doc 1.0.2.1-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-universe-base-doc/html/universe-base.txt