Original sentence: Although the exact origins of the term are murky, it appears to have been coined either by Khalid Duran or Stephen Schwartz.The term "Islamofascism" is a controversial political epithet used to discribe certain variants of Islamism claimed to have fascist or totalitarian aspects
Edited sentence: Although the exact origins of the term are murky, it appears to have been coined  either by Khalid Duran or Stephen Schwartz.The term "Islamofascism" is a controversial political epithet used to discribe certain variants of Islamism that have fascist or totalitarian aspects