[1.0.4] tiny wee comment bug

[jenx]

PlayerExplore.lua refers player to

--- This file implements a simple auto-explore whereby a single command can explore unseen tiles and objects.
-- To see how a module can make auto-explore more robust, see "game/modules/tome/class/interface/PlayerExplore.lua"

it should be:

--- This file implements a simple auto-explore whereby a single command can explore unseen tiles and objects.
-- To see how a module can make auto-explore more robust, see "game/modules/mod/class/interface/PlayerExplore.lua"