You didn't hurt a thing. Don't worry about it. The rev limiter won't allow you to overrev your engine.
In fact, brief wide open throttle runs to shift point are what is part of the break in period. You actually SHOULD do what you did once in a while.
In fact, brief wide open throttle runs to shift point are what is part of the break in period. You actually SHOULD do what you did once in a while.