Rainbow Factory Dash Vector

Okay, this is really cool, but there's one major thing wrong with it. Read tihs quote and see if you can find it.
Scootaloo stared outside, and noticed another figure staring in. It was dressed in a black suit, its tail died an unnatural black that never occurred in nature. Its face was covered by a dark, loose fitting mask, concealing it’s mane. All that was visible were rose coloured eyes, staring indifferently at the three ponies inside. They stopped on Scootaloo momentarily, unrecognizing, but she stared back. A second passed. The dark pony slammed the door shut, and the carriage took off once again.
“At least we can talk, now,” Aurora whispered in the dark.
But they had nothing to talk about.