removed typo in ex5
removed typo in ex5

appfs/appfs,FirstSanny/appfs,appfs/appfs,FirstSanny/appfs,FirstSanny/appfs,FirstSanny/appfs,appfs/appfs,ray-chew/appfs,FirstSanny/appfs,appfs/appfs,FirstSanny/appfs,FirstSanny/appfs,appfs/appfs,appfs/appfs,appfs/appfs