I just installed mine and because the only picture where you could possibly get an idea which way the rail clamps should go is the step 4 picture (after alot of thought) I would strongly suggest putting a picture of the rail-parts clearly showing both the rail slot-bits and the MFT-rail from a side projection so one can see that the slots should be towards the middle and not facing towards the outer edges like I put them first...
So something like this picture would clearly tell the reader which way they should be:
