diff --git a/CHANGELOG.md b/CHANGELOG.md
index 17dfe844..3d3c8591 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@
 <h2>Version 3.5.2 - ??/??/2025</h2>
       <ul>
         <li><i>[ChatGPT Web]</i> Fix: correctly hiding the model warning message when forcing to send the prompt.</li>
+        <li><i>[ChatGPT Web]</i> Fix: ThunderAI is now working also with a free account [<a href="https://github.com/micz/ThunderAI/issues/408">#408</a>].</li>
         <li>Czech (cs) translation updated, thanks to <a href="https://hosted.weblate.org/user/jaroush/">Jaroslav Staněk</a>.</li>
         <li>...</li>
       </ul>
diff --git a/options/mzta-release-notes.html b/options/mzta-release-notes.html
index 84426dd6..bbc9d5d7 100644
--- a/options/mzta-release-notes.html
+++ b/options/mzta-release-notes.html
@@ -10,6 +10,7 @@
       <h2>Version 3.5.2 - ??/??/2025</h2>
       <ul>
         <li><i>[ChatGPT Web]</i> Fix: correctly hiding the model warning message when forcing to send the prompt.</li>
+        <li><i>[ChatGPT Web]</i> Fix: ThunderAI is now working also with a free account [<a href="https://github.com/micz/ThunderAI/issues/408">#408</a>].</li>
         <li>Czech (cs) translation updated, thanks to <a href="https://hosted.weblate.org/user/jaroush/">Jaroslav Staněk</a>.</li>
         <li>...</li>
       </ul>