Screenshot/NBC
"Tweeting," she told "Today" Show host Savannah Guthrie during a Thursday town-hall event.
"That's very good," a laughing Donald said quietly.
"She's right," he added.
The Manhattan billionaire's Twitter account has been at the center of his campaign strategy - and of much controversy during the campaign season.
Most recently, earlier this month, he promoted a tweet featuring an unflattering picture of Ted Cruz's wife, Heidi, contrasted with a more flattering photo of Melania.
Earlier this month, retired neurosurgeon Ben Carson, one of Donald Trump's surrogates said he hopes "that somebody closes that Twitter account, really."
"Well, I think he will come to understand," Carson said. "We talk about it, and a number of people have talked about it, including his family. And he knows that it's a problem. And the first part of solving the problem is recognizing that it exists."
Watch Melania's answer below:
What's the one habit Melania Trump wishes @RealDonaldTrump would give up? Watch what she told @SavannahGuthrie: https://t.co/YPrwzjeC55
- TODAY (@TODAYshow) April 21, 2016