diff --git a/src/wp-includes/option.php b/src/wp-includes/option.php
index 4a054ca469..da6c4b9747 100644
--- a/src/wp-includes/option.php
+++ b/src/wp-includes/option.php
@@ -63,6 +63,7 @@ function get_option( $option, $default = false ) {
 			 * The dynamic portion of the hook name, `$option`, refers to the option name.
 			 *
 			 * @since 3.4.0
+			 * @since 4.4.0 The `$option` parameter was added.
 			 *
 			 * @param mixed  $default The default value to return if the option does not exist
 			 *                        in the database.