Pedantic (a.) - Pretty well describes what I do here.
Loudly and proudly proclaiming minor points of learning and minutiae.
History & Etymology
Pedantic is an adjective form of pedant, which comes from French meaning school master. Several other languages have similar words for teacher or school master, like Italian pedante.
These words are apparently of unknown origin. They could be from the root of the prefix of pediatrics. Pedo- meaning “boy or child” or it could be from Ped- meaning foot as in pedestrian which is sometimes used to mean “dull.”