Your formatting is incorrect, see my example below:
UUID=7C1A71921A714A62 /mnt/7C1A71921A714A62 ntfs-3g nofail,noatime,rw,user,uid=1000,gid=1000,dmask=022,fmask=133,windows_names,auto 0 0
Obviously, you need to substitute your drives UUID in my example.