Call out that blog feeds need to follow TM policy, per discussion in -core.

Author: dpage

templates/pages/about/policies/planet-postgresql.html

@@ -5,7 +5,7 @@
 
 <h1>Planet PostgreSQL <i class="fas fa-gavel"></i></h1>
 
-<p><em>Last updated: October 13, 2021. {%git_changes_link%}</em></p>
+<p><em>Last updated: October 2, 2025. {%git_changes_link%}</em></p>
 
 <p><a href="https://planet.postgresql.org/">Planet PostgreSQL</a> is a blog
     aggregation service run by the PostgreSQL community. In addition to the main
@@ -48,6 +48,11 @@ <h2>Planet PostgreSQL Policy</h2>
     <li>Blogs can contain audio or video content only as a supplement to a fully
       written piece; a blog cannot be solely audio or video.
     </li>
+    <li>All blog feed titles and domain names must comply with the 
+        <a href="/about/policies/trademarks/">PostgreSQL Trademark Policy</a>
+        or be used under licence from the 
+        <a href="https://postgres.ca">PostgreSQL Community Association</a>.
+    </li>
 </ul>
 
 <p>Violating these rules will cause your blog to be removed from Planet