Thanks for reaching out. If you believe the strike is an error, you can appeal the strike directly from Creator Studio in YouTube. Also, here's more info about Copyright strikes and step-by-step instructions to appeal: https://goo.gl/HMAagw
Hi again, now that you've appealed, you can wait for their decision on this. Also, we definitely look into misuse of our copyright tools, up to terminating abusive users. Please continue to dispute claims you believe were made in error.