diff --git a/src/wp-content/themes/twentyseventeen/functions.php b/src/wp-content/themes/twentyseventeen/functions.php
index e1c4e06501..30fdfccb94 100644
--- a/src/wp-content/themes/twentyseventeen/functions.php
+++ b/src/wp-content/themes/twentyseventeen/functions.php
@@ -139,15 +139,15 @@ function twentyseventeen_setup() {
 
 		'attachments' => array(
 			'image-espresso' => array(
-				'post_title' => _x( 'Espresso', 'Theme starter content' ),
+				'post_title' => _x( 'Espresso', 'Theme starter content', 'twentyseventeen' ),
 				'file' => 'assets/images/espresso.jpg',
 			),
 			'image-sandwich' => array(
-				'post_title' => _x( 'Sandwich', 'Theme starter content' ),
+				'post_title' => _x( 'Sandwich', 'Theme starter content', 'twentyseventeen' ),
 				'file' => 'assets/images/sandwich.jpg',
 			),
 			'image-coffee' => array(
-				'post_title' => _x( 'Coffee', 'Theme starter content' ),
+				'post_title' => _x( 'Coffee', 'Theme starter content', 'twentyseventeen' ),
 				'file' => 'assets/images/coffee.jpg',
 			),
 		),