/usr/lib/ghc-doc/hoogle/augeas.txt is in libghc-augeas-doc 0.6.1-4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-augeas-doc/html/augeas.txt
/usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-augeas-doc/html/augeas.txt