Fix "or are" in doc/yaml_configuration
Fix "or are" in doc/yaml_configuration
AndreasPK/stack,Blaisorblade/stack,martin-kolinek/stack,narrative/stack,Fuuzetsu/stack,phadej/stack,sjakobi/stack,juhp/stack,sjakobi/stack,AndrewRademacher/stack,narrative/stack,Heather/stack,martin-kolinek/stack,MichielDerhaeg/stack,Heather/stack,Fuuzetsu/stack,mrkkrp/stack,phadej/stack,mrkkrp/stack,AndrewRademacher/stack,deech/stack,anton-dessiatov/stack,anton-dessiatov/stack,AndreasPK/stack,juhp/stack,MichielDerhaeg/stack,Blaisorblade/stack,deech/stack