Adjust docblock of load_class()
refs c26b9ebb00e29be2e972fece3bcf73d33249a64b
diff --git a/system/core/Common.php b/system/core/Common.php
index 677ceaf..23b95a4 100644
--- a/system/core/Common.php
+++ b/system/core/Common.php
@@ -124,7 +124,7 @@
*
* @param string the class name being requested
* @param string the directory where the class should be found
- * @param string the class name prefix
+ * @param string an optional argument to pass to the class constructor
* @return object
*/
function &load_class($class, $directory = 'libraries', $param = NULL)