diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3d19aba5..c4527213 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@
         <li><i>[ChatGPT Web]</i> Fix: correctly hiding the model warning message when forcing to send the prompt [<a href="https://github.com/micz/ThunderAI/issues/410">#410</a>].</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><i>[ChatGPT Web]</i> Fix: Correctly showing a warning message to a not logged in user [<a href="https://github.com/micz/ThunderAI/issues/411">#411</a>].</li>
+        <li><i>[ChatGPT Web]</i> Improved the model not found message [<a href="https://github.com/micz/ThunderAI/issues/413">#413</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 9e25fe49..a62442c5 100644
--- a/options/mzta-release-notes.html
+++ b/options/mzta-release-notes.html
@@ -12,6 +12,7 @@
         <li><i>[ChatGPT Web]</i> Fix: Correctly hiding the model warning message when forcing to send the prompt [<a href="https://github.com/micz/ThunderAI/issues/410">#410</a>].</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><i>[ChatGPT Web]</i> Fix: Correctly showing a warning message to a not logged in user [<a href="https://github.com/micz/ThunderAI/issues/411">#411</a>].</li>
+        <li><i>[ChatGPT Web]</i> Improved the model not found message [<a href="https://github.com/micz/ThunderAI/issues/413">#413</a>].</li>
         <li>Czech (cs) translation updated, thanks to <a href="https://hosted.weblate.org/user/jaroush/">Jaroslav Staněk</a>.</li>
         <li>...</li>
       </ul>