Document mail-based path to comments

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 This document aims first and foremost to help structure discussions on what may be needed at the standardization level to make the systemic impact of AI (and specifically, [=Machine Learning models=]) less harmful or more manageable. It is bound to be incomplete and sometimes wrong - we are gathering input and feedback in <a href="https://github.com/w3c/ai-web-impact/issues">GitHub</a>, preferably before June 30, 2024.
 </p>
+<p>If it's not feasible for you to use GitHub, send comments in e-mail to: <a href="mailto:public-team-report-comments@w3.org">public-team-report-comments@w3.org</a>. Please put your comments in the body of the message, not as an attachment. Start your e-mail subject line with: [AI Report].</p>
+Please put your comments in the body of the message, not as an attachment. Start your e-mail subject line with: [Public Comment]
 <p>
 Depending on the feedback received, possible next steps include more in-depth stakeholder interviews, a dedicated W3C Workshop, or developing a standardization roadmap.</p>