improved admin release notes

java/com.sap.sailing.www/release_notes_admin.html

@@ -27,6 +27,7 @@
                             time allowances relevant for Performance Curve Scoring (PCS) and offers a link to the
                             official PDF version of the respective certificate, based on its reference number.
                         </li>
+                        <li>Improved ESC/Enter key handling in user role/permission editing dialog</li>
                     </ul>
                     <h2 class="articleSubheadline">February 2020</h2>
                     <ul class="bulletList">