types.submodule: Replace a friendly comment by a more gentle one.

          }).config;

        getSubOptions = prefix: (evalModules

          { modules = opts'; inherit prefix;

            # FIXME: hack to get shit to evaluate.

            args = { name = ""; }; }).options;

            # This is a work-around due to the fact that some sub-modules,

            # such as the one included in an attribute set, expects a "args"

            # attribute to be given to the sub-module. As the option

            # evaluation does not have any specific attribute name, we

            # provide a default one for the documentation.

            #

            # This is mandatory as some option declaration might use the

            # "name" attribute given as argument of the submodule and use it

            # as the default of option declarations.

            args.name = "<name>";

          }).options;

        getSubModules = opts';

        substSubModules = m: submodule m;

        functor = (defaultFunctor name) // {