Can you find the mistake in this sentence?

This brain teaser created by by Playbuzz to see if they can spot what's wrong in this sentence and colourful list of numbers below - in fewer than five seconds.

It looks easy, but it actually looks harder than it seem.

I am glad you enjoyed my story. Visit us at www.LailasBlog.com to stay updated with more interesting/exclusive news like these. Click HERE now to do that.