This is from Jonathan so it's accurate (we hope)
"It is a resolved version of the proposal that you wrote in October. This should summarise your work, its origins, inspiration and development, to approximately a page of A4. Throughout the year most students have followed their original ideas as written at the outset and discussed at various times. Naturally, there may have been changes along the way, which is why it should be updated."
He also said he'll circulate an e-mail explaining it.