Catechism of the Catholic Church §1875 — excerpt
Venial sin constitutes a moral disorder that is reparable by charity, which it allows to subsist in us.
This translation is under copyright, so only the cited words are quoted here. Follow the link for the full text. Translation: English translation of the Catechism of the Catholic Church, 2nd ed. (Libreria Editrice Vaticana), as posted at vatican.va.