diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2401da7a..b242badc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@
       <ul>
         <li>Added Google Gemini API support [<a href="https://github.com/micz/ThunderAI/issues/204">#204</a>, <a href="https://github.com/micz/ThunderAI/issues/217">#2174</a>].</li>
         <li>Added <i>{%mail_typed_text%}</i> data placeholder to get the text inserted before the quoted mail body when replying [<a href="https://github.com/micz/ThunderAI/issues/196">#196</a>].</li>
+        <li>Added <i>{%mail_datetime%}</i> data placeholder to get the date and time of the email [<a href="https://github.com/micz/ThunderAI/issues/223">#223</a>].</li>
         <li>Added an info text about using the new <i>{%tags_full_list%}</i> placeholder in the "Add Tags Prompt" page [<a href="https://github.com/micz/ThunderAI/issues/215">#215</a>].</li>
         <li>...</li>
       </ul>
diff --git a/options/mzta-release-notes.html b/options/mzta-release-notes.html
index 40a9b6cd..bd5a1d55 100644
--- a/options/mzta-release-notes.html
+++ b/options/mzta-release-notes.html
@@ -11,6 +11,7 @@
       <ul>
         <li>Added Google Gemini API support [<a href="https://github.com/micz/ThunderAI/issues/204">#204</a>, <a href="https://github.com/micz/ThunderAI/issues/217">#2174</a>].</li>
         <li>Added <i>{%mail_typed_text%}</i> data placeholder to get the text inserted before the quoted mail body when replying [<a href="https://github.com/micz/ThunderAI/issues/196">#196</a>].</li>
+        <li>Added <i>{%mail_datetime%}</i> data placeholder to get the date and time of the email [<a href="https://github.com/micz/ThunderAI/issues/223">#223</a>].</li>
         <li>Added an info text about using the new <i>{%tags_full_list%}</i> placeholder in the "Add Tags Prompt" page [<a href="https://github.com/micz/ThunderAI/issues/215">#215</a>].</li>
         <li>...</li>
       </ul>