diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php
index 6e1e05d076..e2f64353bc 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php
@@ -1202,13 +1202,13 @@ class WP_REST_Comments_Controller extends WP_REST_Controller {
 					),
 				),
 				'date'             => array(
-					'description'  => __( 'The date the object was published.' ),
+					'description'  => __( "The date the object was published, in the site's timezone." ),
 					'type'         => 'string',
 					'format'       => 'date-time',
 					'context'      => array( 'view', 'edit', 'embed' ),
 				),
 				'date_gmt'         => array(
-					'description'  => __( 'The date the object was published as GMT.' ),
+					'description'  => __( 'The date the object was published, as GMT.' ),
 					'type'         => 'string',
 					'format'       => 'date-time',
 					'context'      => array( 'view', 'edit' ),
diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-revisions-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-revisions-controller.php
index 3b45d9f987..39ef8fe818 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-revisions-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-revisions-controller.php
@@ -404,7 +404,7 @@ class WP_REST_Revisions_Controller extends WP_REST_Controller {
 					'context'     => array( 'view', 'edit', 'embed' ),
 				),
 				'date'            => array(
-					'description' => __( 'The date the object was published.' ),
+					'description' => __( "The date the object was published, in the site's timezone." ),
 					'type'        => 'string',
 					'format'      => 'date-time',
 					'context'     => array( 'view', 'edit', 'embed' ),
@@ -426,7 +426,7 @@ class WP_REST_Revisions_Controller extends WP_REST_Controller {
 					'context'     => array( 'view', 'edit', 'embed' ),
 				),
 				'modified'        => array(
-					'description' => __( 'The date the object was last modified.' ),
+					'description' => __( "The date the object was last modified, in the site's timezone." ),
 					'type'        => 'string',
 					'format'      => 'date-time',
 					'context'     => array( 'view', 'edit' ),
diff --git a/wp-includes/version.php b/wp-includes/version.php
index f1509902b4..05c6963c41 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.7-RC2-39485';
+$wp_version = '4.7-RC2-39489';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.