diff --git a/lib/Cake/Model/Datasource/Database/Postgres.php b/lib/Cake/Model/Datasource/Database/Postgres.php
index 2bf200fee..c56ccf214 100644
--- a/lib/Cake/Model/Datasource/Database/Postgres.php
+++ b/lib/Cake/Model/Datasource/Database/Postgres.php
@@ -765,10 +765,10 @@ class Postgres extends DboSource {
 /**
  * resultSet method
  *
- * @param array &$results The results
+ * @param PDOStatement $results The results
  * @return void
  */
-	public function resultSet(&$results) {
+	public function resultSet($results) {
 		$this->map = array();
 		$numFields = $results->columnCount();
 		$index = 0;
diff --git a/lib/Cake/Model/Datasource/DboSource.php b/lib/Cake/Model/Datasource/DboSource.php
index 8c2383849..876284f30 100644
--- a/lib/Cake/Model/Datasource/DboSource.php
+++ b/lib/Cake/Model/Datasource/DboSource.php
@@ -632,7 +632,7 @@ class DboSource extends DataSource {
 /**
  * Builds a map of the columns contained in a result
  *
- * @param array|PDOStatement $results The results to format.
+ * @param PDOStatement $results The results to format.
  * @return void
  */
 	public function resultSet($results) {