HaRav Meir Simchah Hacohen, the author of Or Somei'ach, bases a far-reaching reflection on the precise wording of a halocho in the Mishneh Torah. In the beginning of Hilchos Shevisas Ossor (1:2) the Rambam writes: "Every melochoh whose punishment is sekilloh when done deliberately on Shabbos, is punishable with koreis when done deliberately on the Tenth.