Index: src/wp-includes/post.php
===================================================================
--- src/wp-includes/post.php	(revision 39666)
+++ src/wp-includes/post.php	(working copy)
@@ -1384,10 +1384,10 @@
 		'attributes' => array( __( 'Post Attributes' ), __( 'Page Attributes' ) ),
 		'insert_into_item' => array( __( 'Insert into post' ), __( 'Insert into page' ) ),
 		'uploaded_to_this_item' => array( __( 'Uploaded to this post' ), __( 'Uploaded to this page' ) ),
-		'featured_image' => array( __( 'Featured Image' ), __( 'Featured Image' ) ),
-		'set_featured_image' => array( __( 'Set featured image' ), __( 'Set featured image' ) ),
-		'remove_featured_image' => array( __( 'Remove featured image' ), __( 'Remove featured image' ) ),
-		'use_featured_image' => array( __( 'Use as featured image' ), __( 'Use as featured image' ) ),
+		'featured_image' => array( _x( 'Featured Image', 'post' ), _x( 'Featured Image', 'page' ) ),
+		'set_featured_image' => array( _x( 'Set featured image', 'post' ), _x( 'Set featured image', 'page' ) ),
+		'remove_featured_image' => array( _x( 'Remove featured image', 'post' ), _x( 'Remove featured image', 'page' ) ),
+		'use_featured_image' => array( _x( 'Use as featured image', 'post' ), _x( 'Use as featured image', 'page' ) ),
 		'filter_items_list' => array( __( 'Filter posts list' ), __( 'Filter pages list' ) ),
 		'items_list_navigation' => array( __( 'Posts list navigation' ), __( 'Pages list navigation' ) ),
 		'items_list' => array( __( 'Posts list' ), __( 'Pages list' ) ),