Merge pull request #4638 from kasimtan/phpdoc_fixes
[ci skip] Fixed PHPDoc parameter name and type discrepancies
diff --git a/system/libraries/Session/Session.php b/system/libraries/Session/Session.php
index 1bdc6e5..3b391a8 100644
--- a/system/libraries/Session/Session.php
+++ b/system/libraries/Session/Session.php
@@ -730,7 +730,7 @@
*
* Legacy CI_Session compatibility method
*
- * @param mixed $data Session data key(s)
+ * @param mixed $key Session data key(s)
* @return void
*/
public function unset_userdata($key)