Trax reformer description

[Kenenbek R]

When I read docs here
https://trax-ml.readthedocs.io/en/latest/trax.models.html#trax.models.reformer.reformer.EncoderDecoderBlock

I see a name EncoderDecoderBlock,

but later a description of it:

Reversible transformer decoder layer.

Is it a typo?