Please, could you update the PT VERSION? This is the most correct form in my personal view, and "dias" was written in english, ehe.
Also, this would work in PT-BR too, perhaps you could add this info to the documentation. Thanks in advance.
future => "no futuro",
recent => "agora",
years => ["%d anos atrás", "há um ano"],
months => ["%d meses atrás", "há um mês"],
weeks => ["%d semanas atrás", "há uma semana"],
days => ["%d dias atrás", "há um dia"],
hours => ["%d horas atrás", "há uma hora"],
minutes => ["%d minutos atrás", "há um minuto"],