Original sentence: There are also radical Muslims who believe that physical "jihad against unbelief and unbelievers is a religious duty" that justifies terrorism, but this claim about jihad is disputed.There are between 0.9 and 1.3 billion Muslims, making Islam the second-largest religion in the world after Christianity
Edited sentence: Currently, there are an estimated 1.4 billion Muslims, making Islam the second-largest religion in the world after Christianity.There are also radical Muslims who believe that physical "jihad against unbelief and unbelievers is a religious duty" that justifies terrorism, but this claim about jihad is disproven