sentence: Hugh Capet captured both Charles and Archbishop Arnulf and convoked a synod at Reims in June 991. He deposed Arnulf and chose as his successor Abbot Gerbert of Aurillac who would later be known as Pope Silvester II.
modified: fix grammar: Hughs Capets captures both Charless and Archbishops Arnulfs and convoked a synods at Reimss in Junes 991. He deposed Arnulfs and chooses as his successors Abbots Gerberts of Aurillacs who would later was known as Popes Silvesters IIs.