Index: wp-includes/option.php
===================================================================
--- wp-includes/option.php	(revision 34012)
+++ wp-includes/option.php	(working copy)
@@ -670,7 +670,7 @@
  * @since 2.8.0
  *
  * @param string $transient  Transient name. Expected to not be SQL-escaped. Must be
- *                           45 characters or fewer in length.
+ *                           172 characters or fewer in length.
  * @param mixed  $value      Transient value. Must be serializable if non-scalar.
  *                           Expected to not be SQL-escaped.
  * @param int    $expiration Optional. Time until expiration in seconds. Default 0.