scoring a carbon seat post?

So, I am new to cycling. I scored my carbon seat post with a compass point to record the right saddle height. Now I am freaked out that I have caused it damage with this tiny scoring and that it is permanently weakened. What's my situation? Can I leave it the way it is? If not, can it be repaired or do I need a new one? :?
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Some frames can be a bit rough around the seat tube and put some nasty gouges in seatposts, looks nasty but its just aesthetic.
FCN 11/12 - Ocasional beardy