On a sentence Chams account for the greatest part of the erstwhile substantial Albanian minority in Greek Epirus today the population of only two villages north of Konitsa belong to a different Albanian subgroup that of the Labs Isn t this too big and irrelevant for the lead I have added this info because it shoul be in note a but i think that this is irrelevant for the lead as too big and with no clear signification for this article What do you think