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source/plugins/followup/README.md

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   <tr><td colspan="2"><a href="/README.md#-plugins">← Back to plugins index</a></td></tr>
   <tr><th colspan="2"><h3>🎟️ Follow-up of issues and pull requests</h3></th></tr>
   <tr><td colspan="2" align="center"><p>This plugin displays the ratio of open/closed issues and the ratio of open/merged pull requests across repositories.</p>
+</td></tr>
+  <tr><th>⚠️ Disclaimer</th><td><p>This plugin is not affiliated, associated, authorized, endorsed by, or in any way officially connected with <a href="https://github.com">GitHub</a>.
+All product and company names are trademarks™ or registered® trademarks of their respective holders.</p>
 </td></tr>
   <tr>
     <th rowspan="3">Supported features<br><sub><a href="metadata.yml">→ Full specification</a></sub></th>