diff --git a/USER_MANUAL.html b/USER_MANUAL.html
index 0861b61b4..9280e6179 100644
--- a/USER_MANUAL.html
+++ b/USER_MANUAL.html
@@ -643,7 +643,7 @@ <h1 data-number="17" id="glossary"><span class="header-section-number">17</span>
 </tbody>
 </table>
 <h1 data-number="18" id="release-notes"><span class="header-section-number">18</span> Release Notes</h1>
-<h2 data-number="18.1" id="v1.9.8-tbd-2024"><span class="header-section-number">18.1</span> V1.9.8 TBD 2024</h2>
+<h2 data-number="18.1" id="v1.9.8-february-2024"><span class="header-section-number">18.1</span> V1.9.8 February 2024</h2>
 <ol type="1">
 <li>Bugfixes:
 <ul>
diff --git a/USER_MANUAL.pdf b/USER_MANUAL.pdf
index c14990243..de6cf8e1f 100644
Binary files a/USER_MANUAL.pdf and b/USER_MANUAL.pdf differ