Original sentence: A year or so later Frua changed some details on front and rear, including some semi-hidden headlamps which had been seen on the Iso Lele and the Iso Grifo, second series, before.It was based on an extended bodyshell that Frua built for Monteverdi which was supposed to become the second Monteverdi 375/L.The car was called AC 429; it remained a one-off
Edited sentence: A year or so later Frua changed some details on front and rear, including some semi-hidden headlamps which had been seen on the Iso Lele and the ''Iso Grifo,'' second series, before.It was based on an extended bodyshell that Frua built for Monteverdi which was supposed to become the second [[Monteverdi]] 375/L.The very attractive car was called AC 429; it remained a one-off