There’s something that confused me a little with the toe, but very simple to fix! From:

Decrease rounds are knit as follows:
:k1, ssk, k to last 3 sts, k2tog, k1:

To:

Decrease rounds are knit as follows (per needle):
:k1, ssk, k to last 3 sts, k2tog, k1:

Aside from that, this pattern is really well written and easy to follow, and I managed it even though the heel technique is unfamiliar. Nice one!