Merge pull request #4472 from vibbow/patch-1

[ci skip] Update get_instance() return type in docblock
diff --git a/system/core/CodeIgniter.php b/system/core/CodeIgniter.php
index 52b5426..bf41ab2 100644
--- a/system/core/CodeIgniter.php
+++ b/system/core/CodeIgniter.php
@@ -359,7 +359,7 @@
 	 *
 	 * Returns current CI instance object
 	 *
-	 * @return object
+	 * @return CI_Controller
 	 */
 	function &get_instance()
 	{