diff --git a/system/database/DB_query_builder.php b/system/database/DB_query_builder.php
index 66ef913..d6f35e0 100644
--- a/system/database/DB_query_builder.php
+++ b/system/database/DB_query_builder.php
@@ -1137,7 +1137,7 @@
 	 * @param	string	$key
 	 * @param	string	$value
 	 * @param	bool	$escape
-	 * @return	object
+	 * @return	CI_DB_query_builder
 	 */
 	public function having($key, $value = NULL, $escape = NULL)
 	{
@@ -1154,7 +1154,7 @@
 	 * @param	string	$key
 	 * @param	string	$value
 	 * @param	bool	$escape
-	 * @return	object
+	 * @return	CI_DB_query_builder
 	 */
 	public function or_having($key, $value = NULL, $escape = NULL)
 	{
@@ -1338,7 +1338,7 @@
 	 * @param	string	the table
 	 * @param	string	the limit clause
 	 * @param	string	the offset clause
-	 * @return	object
+	 * @return	CI_DB_result
 	 */
 	public function get($table = '', $limit = NULL, $offset = NULL)
 	{
@@ -1421,7 +1421,7 @@
 	 * @param	string	$where
 	 * @param	int	$limit
 	 * @param	int	$offset
-	 * @return	object
+	 * @return	CI_DB_result
 	 */
 	public function get_where($table = '', $where = NULL, $limit = NULL, $offset = NULL)
 	{
@@ -1617,7 +1617,7 @@
 	 * @param	string	the table to insert data into
 	 * @param	array	an associative array of insert values
 	 * @param	bool	$escape	Whether to escape values and identifiers
-	 * @return	object
+	 * @return	bool	TRUE on success, FALSE on failure
 	 */
 	public function insert($table = '', $set = NULL, $escape = NULL)
 	{
@@ -1683,7 +1683,7 @@
 	 *
 	 * @param	string	the table to replace data into
 	 * @param	array	an associative array of insert values
-	 * @return	object
+	 * @return	bool	TRUE on success, FALSE on failure
 	 */
 	public function replace($table = '', $set = NULL)
 	{
@@ -1789,7 +1789,7 @@
 	 * @param	array	$set	An associative array of update values
 	 * @param	mixed	$where
 	 * @param	int	$limit
-	 * @return	object
+	 * @return	bool	TRUE on success, FALSE on failure
 	 */
 	public function update($table = '', $set = NULL, $where = NULL, $limit = NULL)
 	{
@@ -2009,7 +2009,7 @@
 	 * Compiles a delete string and runs "DELETE FROM table"
 	 *
 	 * @param	string	the table to empty
-	 * @return	object
+	 * @return	bool	TRUE on success, FALSE on failure
 	 */
 	public function empty_table($table = '')
 	{
@@ -2042,7 +2042,7 @@
 	 * This function maps to "DELETE FROM table"
 	 *
 	 * @param	string	the table to truncate
-	 * @return	object
+	 * @return	bool	TRUE on success, FALSE on failure
 	 */
 	public function truncate($table = '')
 	{