diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-block-directory-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-block-directory-controller.php
index 2f275072ed..3f54f24436 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-block-directory-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-block-directory-controller.php
@@ -270,7 +270,7 @@ class WP_REST_Block_Directory_Controller extends WP_REST_Controller {
 					'context'     => array( 'view' ),
 				),
 				'last_updated'        => array(
-					'description' => __( 'The date when the block was last updated, in fuzzy human readable format.' ),
+					'description' => __( 'The date when the block was last updated.' ),
 					'type'        => 'string',
 					'format'      => 'date-time',
 					'context'     => array( 'view' ),
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 65a11458b4..d7c7daea66 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.9-alpha-51675';
+$wp_version = '5.9-alpha-51676';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.