About the loss function of image discriminator in the paper

[Touyuki]

I read the codes and found there are some differences between the codes and paper on the loss function of the image discriminator. Why the loss function of the D-image in the paper (Page 4)is expressed as:

LD-image=Lreal − Lfake-image − Lfake-layout + Lalt-appearance
where
Lreal= logDimage(t′, p′)
Lfake-image= log(1−Dimage(t′, p))
Lfake-layout= log(1−Dimage(t, p′))
Lalt-appearance= log(1−Dimage(t′′, p′))

In my opinion, according to the codes the loss function should be expressed as:

LD-image=Lreal + Lfake-image + Lfake-layout + Lalt-appearance
where
Lreal= logDimage(t′, p′)
Lfake-image= log(1−Dimage(t′, p))
Lfake-layout= log(1−Dimage(t, p′))
Lalt-appearance= logDimage(t′′, p′)

Maybe I am wrong. Can you tell me if somewhere I misunderstood?