Off the top of my head, I don't know. I don't know what the character limit is for titles. That aside, one isn't clearer than the other -- at least not to me.

Off the top of my head, I don't know. I don't know what the character limit is for titles. That aside, one isn't clearer than the other -- at least not to me. And clarity is the most important part of technical writing to me. Sometimes jargon helps, sometimes it hurts, sometimes it is neutral.