I only see the bare "Kerbal" on three places at http://kerbal.curseforge.com/. The URL as you mentioned, the page's title and the blurb about hosting your addon that's below the KSP logo. The URL is kinda hard to change at this point, although a redirect from ksp.curseforge.com could be setup. As for the other two places, they are both in space-sensitive areas. I think we can probably change them to "KSP" instead of "Kerbal" though, I'll ask around if this is something we can do on our end or if it requires SQUAD's approval.