Original sentence: Estimates of the number of adherents to Wahhabism vary, with one source (Mehrdad Izady) giving a figure of fewer than 5 million Wahhabis in the Persian Gulf region (compared to 28.5 million Sunnis and 89 million Shia).The majority of Sunni and Shia Muslims worldwide disagree with the interpretation of Wahhabism, and many Muslims denounce them as a faction or a "vile sect".Wahhabism (, ) is an Islamic doctrine and religious movement founded by Muhammad ibn Abd al-Wahhab
Edited sentence: Estimates of the number of adherents to Wahhabism vary, with one source (Mehrdad Izady) giving a figure of fewer than 5 million Wahhabis in the Persian Gulf region.The majority of Muslims worldwide disagree with the interpretation of Wahhabism, and some Muslims denounce them as a faction or a "vile sect".Wahhabism (, ) is a doctrine of Islam's majority Sunni sect and a religious movement founded by Muhammad ibn Abd al-Wahhab