A good airman probably would have picked up the error
No experience with the A340 but a 747 Classic with RB211-524 D4 engines at SL +15deg. 330kgs, non de rated thrust takeoff speeds, Flaps 10:
V1-150, VR-161, V2-173.
230kgs V1(VMCG)-142, VR-142, V2-159.
One does'nt have to be real sharp to notice the difference, me thinks.