In a title you should capitalise every word except pronouns (except when it's I or at the beginning of the sentence), verbs, preposistions and conjunctions. Therefore, in your example you only need to capitalise the M in major! (by the way, the way I spelt Capitalise is not a mistake, it's without z and with s, in British English),
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.