2020‑02‑29 release seems to be the 2008 version

i downloaded `introocean-en-20200229.pdf` from https://github.com/introocean/introocean-en/releases/download/v20200229/introocean-en-20200229.pdf, but it seems to be the old sept 2008 version - see the pasted screenshot below. am i missing something?

<img width="444" height="448" alt="Image" src="https://github.com/user-attachments/assets/e5c80bfd-2e9c-4e31-b89a-3f744b0022ce" />