Compete BC notice with addUniqueIndex()

UPGRADE.md

@@ -2,9 +2,9 @@
 
 ## BC BREAK: Doctrine\DBAL\Schema\Table
 
-The method ``addIndex()`` in ``Doctrine\DBAL\Schema\Table`` has an additional,
-optional parameter. If you override this method, you should add this new parameter
-to the declaration of your overridden method.
+The methods ``addIndex()`` and ``addUniqueIndex()`` in ``Doctrine\DBAL\Schema\Table``
+hav an additional, optional parameter. If you override this method, you should
+add this new parameter to the declaration of your overridden method.
 
 ## BC BREAK: Doctrine\DBAL\Connection
 

lib/Doctrine/DBAL/Schema/Table.php

@@ -197,7 +197,7 @@ class Table extends AbstractAsset
      *
      * @return self
      */
-    public function addUniqueIndex(array $columnNames, $indexName = null, $options = array())
+    public function addUniqueIndex(array $columnNames, $indexName = null, array $options = array())
     {
         if ($indexName === null) {
             $indexName = $this->_generateIdentifierName(