diff --git a/CHANGELOG.md b/CHANGELOG.md
index e3147576..777ac09a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@
 
 <h2>Version 3.4.0 - ??/??/2025</h2>
       <ul>
+        <li>Added a default proofread prompt [<a href="https://github.com/micz/ThunderAI/issues/21">#21</a>].</li>
         <li>...</li>
       </ul>
 <h2>Version 3.3.3 - 12/04/2025</h2>
diff --git a/options/mzta-release-notes.html b/options/mzta-release-notes.html
index 22ec86e5..de569653 100644
--- a/options/mzta-release-notes.html
+++ b/options/mzta-release-notes.html
@@ -9,6 +9,7 @@
     <div id="miczRelNotes"><h1>ThunderAI Release Notes</h1>
       <h2>Version 3.4.0 - ??/??/2025</h2>
       <ul>
+        <li>Added a default proofread prompt [<a href="https://github.com/micz/ThunderAI/issues/21">#21</a>].</li>
         <li>...</li>
       </ul>
       <h2>Version 3.3.3 - 12/04/2025</h2>