fixed typo

lib/Doctrine/DBAL/Platforms/MySqlPlatform.php

@@ -1044,7 +1044,7 @@ class MySqlPlatform extends AbstractPlatform
         if ($table instanceof Table) {
             $table = $table->getQuotedName($this);
         } elseif (!is_string($table)) {
-            throw new \InvalidArgumentException('getDropTableSQL() expects $table parameter to be string or \Doctrine\DBAL\Schema\Table.');
+            throw new \InvalidArgumentException('getDropTemporaryTableSQL() expects $table parameter to be string or \Doctrine\DBAL\Schema\Table.');
         }
 
         return 'DROP TEMPORARY TABLE ' . $table;

lib/Doctrine/DBAL/Schema/Constraint.php

@@ -22,7 +22,7 @@ namespace Doctrine\DBAL\Schema;
 use Doctrine\DBAL\Platforms\AbstractPlatform;
 
 /**
- * Marker interface for contraints.
+ * Marker interface for constraints.
  *
  * @link   www.doctrine-project.org
  * @since  2.0