phpdoc in Table::addForeignKey() update

lib/Doctrine/DBAL/Schema/Table.php

@@ -326,7 +326,7 @@ class Table extends AbstractAsset
      *
      * Name is inferred from the local columns.
      *
-     * @param \Doctrine\DBAL\Schema\Table $foreignTable
+     * @param \Doctrine\DBAL\Schema\Table|string  $foreignTable Table schema instance or table name
      * @param array                               $localColumnNames
      * @param array                               $foreignColumnNames
      * @param array                               $options