diff --git a/src/wp-includes/option.php b/src/wp-includes/option.php
index 7dac56a6ec..5454e7becb 100644
--- a/src/wp-includes/option.php
+++ b/src/wp-includes/option.php
@@ -25,7 +25,8 @@
  *
  * @param string $option  Name of the option to retrieve. Expected to not be SQL-escaped.
  * @param mixed  $default Optional. Default value to return if the option does not exist.
- * @return mixed Value set for the option.
+ * @return mixed Value set for the option. A value of any type may be returned, including
+ *               array, boolean, float, integer, null, object, and string.
  */
 function get_option( $option, $default = false ) {
 	global $wpdb;