fixed typos in admin release notes

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

@@ -31,9 +31,9 @@
                     Data Mining as a dimension for filtering and grouping.</li>
                 <ii>When updates to user accounts are carried out using the API, not passing a property (such as
                     company affiliation or preferred locale) will no longer reset that value to <tt>null</tt>
-                    but instead leave it unchanged.</ii>
+                    but instead leave it unchanged.</li>
                 <li>A new "Eraser" action has been added to the leaderboards table at the top of the
-                    Connectors / Smartphone Tracking panel. If the leadeboard is a "Regatta" leaderboard
+                    Connectors / Smartphone Tracking panel. If the leaderboard is a "Regatta" leaderboard
                     and the corresponding Regatta is configured to control tracking times from race
                     start/finish times, using the eraser action will remove any explicit start/end of tracking
                     time specifications of the race logs of all races in the leaderboard that have valid