SOP professor misnamed typo

[pubpol101]

For my SOP, I was listing things that I'd do at a graduate professional school. I'd already named another professor I was interested in talking to, and just before I started describing my extracurricular plans, I said that I'd be interested in pursuing an assistantship with a professor who didn't exist at the target school. Could this be a deal breaker? I know that typos usually aren't deal breakers but I'm concerned that the fact that I named one professor from another school might indicate that I'm reusing the same essay format for many schools if they catch it. I have a lot of specifics about the target school in the essay (courses, curriculum appeals, extracurricular plans, one professor I'm interested in talking to, etc.) so I'm hoping that those things will draw attention away from the nonexistant professor I named.