dosakkhayo asked: “It sounds like a Sotapanna Anugami must attain the Sotapanna stage in given bhava. Is it right? But from what I understand is Sotapanna Anugami has no limit of bhava. After becoming Sotapanna, one is left 7 bhava or less. So I’d like to know about this point.”
Those are two different issues. One is a Sotapanna Anugami becoming a Sotapanna. The other is a Sotapanna attaining Arahanthood within seven bhava.
On the second question: Good point. I have revised that as: “10. So, it is essential to understand that getting rid of the first three samyōjana involves nothing else but comprehending the anicca nature.”