Tiny typo

docs/data/dataset.html

@@ -431,7 +431,7 @@ var data = new vis.DataSet([data] [, options])
       </td>
       <td>Number[]</td>
       <td>
-        Update on ore multiple existing items. <code>data</code> can be a single item or an array with items. When an item doesn't  exist, it will be created. Returns an array with the ids of the removed items. See section <a href="#Data_Manipulation">Data Manipulation</a>.
+        Update one or multiple existing items. <code>data</code> can be a single item or an array with items. When an item doesn't exist, it will be created. Returns an array with the ids of the removed items. See section <a href="#Data_Manipulation">Data Manipulation</a>.
       </td>
     </tr>
 
@@ -1020,4 +1020,4 @@ var positiveBalance = dataset.get({
 <script src="../js/tipuesearch.config.js"></script>
 <script src="../js/tipuesearch.js"></script>
 <!-- controller -->
-<script src="../js/main.js"></script>
+<script src="../js/main.js"></script>