update for Issue #2064 (changed docblocks which return $this or only call a method that returns $this to @return CI_DB_class_name)
diff --git a/system/libraries/Encrypt.php b/system/libraries/Encrypt.php
index cdb0a64..e54ce49 100644
--- a/system/libraries/Encrypt.php
+++ b/system/libraries/Encrypt.php
@@ -122,7 +122,7 @@
* Set the encryption key
*
* @param string
- * @return object
+ * @return CI_Encrypt
*/
public function set_key($key = '')
{
@@ -419,7 +419,7 @@
* Set the Mcrypt Cipher
*
* @param int
- * @return object
+ * @return CI_Encrypt
*/
public function set_cipher($cipher)
{
@@ -433,7 +433,7 @@
* Set the Mcrypt Mode
*
* @param int
- * @return object
+ * @return CI_Encrypt
*/
public function set_mode($mode)
{