Index: htdocs/wp-includes/option.php
===================================================================
--- htdocs/wp-includes/option.php	(revision 28687)
+++ htdocs/wp-includes/option.php	(working copy)
@@ -620,7 +620,7 @@
  *
  * @since 2.8.0
  *
- * @param string $transient Transient name. Expected to not be SQL-escaped.
+ * @param string $transient Transient name. Expected to not be SQL-escaped. Must be 45 characters or less in length.
  * @param mixed $value Transient value. Must be serializable if non-scalar. Expected to not be SQL-escaped.
  * @param int $expiration Time until expiration in seconds, default 0
  * @return bool False if value was not set and true if value was set.
@@ -1360,7 +1360,7 @@
  *
  * @see set_transient()
  *
- * @param string $transient Transient name. Expected to not be SQL-escaped.
+ * @param string $transient Transient name. Expected to not be SQL-escaped. Must be 40 characters or less in length.
  * @param mixed $value Transient value. Expected to not be SQL-escaped.
  * @param int $expiration Time until expiration in seconds, default 0
  * @return bool False if value was not set and true if value was set.