When someone states "I have a Masters in Computer Science" should the word masters have a capital M? I've seen arguments for both and can't determine which is correct.
The word "master's degree", used generically, means the degree attained by a master. For example, using it in this sentence is correct:
The capitalised form is usually used to refer to a specific master's degree by name:
Universities may use any of "Master", "Master's" or "Masters" when naming their specific master's degree, and you should use the same one.