Original sentence: Instead of being a syncretic religion, Islam claims to be the revitalization of the original pure teaching of monotheism (Quran 3:3-3:4) with the promise by God that its foundation (the Qur'an) will forever be preserved (Quran 15:9 and 85:21-85:22).Over time, however, these revelations eventually became corrupted because of the lack of written manuscripts, serial translations from one language to another, or simply forgotten
Edited sentence: Instead of being a syncretic religion, Islam is the revitalization of the original pure teaching of monotheism (Quran 3:3-3:4) with the promise by God that its foundation (the Qur'an) will forever be preserved (Quran 15:9 and 85:21-85:22).Over time, these revelations have been preserved and the Koran as known today is the undeniable true revelation from Allah