readme wording: Required in `x` mode, not used `y` mode.
readme wording: Required in `x` mode, not used `y` mode.

AnthonySteele/NuKeeper,skolima/NuKeeper,AnthonySteele/NuKeeper,skolima/NuKeeper,NuKeeperDotNet/NuKeeper,AnthonySteele/NuKeeper,NuKeeperDotNet/NuKeeper,NuKeeperDotNet/NuKeeper,AnthonySteele/NuKeeper,skolima/NuKeeper,skolima/NuKeeper,NuKeeperDotNet/NuKeeper