If you read the article, it says that Iranian news agencies reported that Rohani said that was a "wound" that "needs to be removed." Netanyahu didn't make it up. It was only "corrected" after the story was picked up by Western media, making it clear that Rowhani is no moderate.
IDF strikes Gaza targets in response to rocket fire (Haaretz)
from the article: Iran's supreme leader endorses Hassan Rohani as president