Fix typos in backup status template

management/templates/system-backup.html

@@ -28,7 +28,7 @@
   </tbody>
 </table>
 
-<p style="margin-top: 2em"><small>The size column in the table indicates the size of the encrpyted backup, but the total size on disk shown above includes storage for unencrpyted intermediate files.</small></p>
+<p style="margin-top: 2em"><small>The size column in the table indicates the size of the encrypted backup, but the total size on disk shown above includes storage for unencrypted intermediate files.</small></p>
 
 <script>
 function nice_size(bytes) {