diff --git a/system/core/Common.php b/system/core/Common.php
index c3198b3..9f50974 100644
--- a/system/core/Common.php
+++ b/system/core/Common.php
@@ -86,7 +86,7 @@
 	 *
 	 * @link	https://bugs.php.net/bug.php?id=54709
 	 * @param	string
-	 * @return	void
+	 * @return	bool
 	 */
 	function is_really_writable($file)
 	{