There were murmurs in the crowd as he spoke.
It didn’t go unnoticed on social media:
Jon Ralston, a longtime Nevada political reporter, later tweeted that a campaign source said Trump was joking:
The Trump campaign did not immediately respond to a request for comment on whether he was joking or not. Here's the video of Trump's remark:
This isn't the first time a politician's pronunciation of the state's name has come under scrutiny. NBC News did a story on this subject in 2008: