The text and quotes are not made up.
It was caught on video and tons of people heard it.
Moments One Direction MADRID 25thMAY (part1) - YouTube
Go to around 19 seconds and it is at the 20 mark. This wasn't the best quality video but there are other better videos on yt. There were others who did a better audio sound check on it and that is what he said. People who were at the concert also reported that is what he said.
credit:haroldmalikpayne