Index: src/wp-includes/taxonomy.php
===================================================================
--- src/wp-includes/taxonomy.php	(revision 42727)
+++ src/wp-includes/taxonomy.php	(working copy)
@@ -152,7 +152,7 @@
 			'public'            => true,
 			'hierarchical'      => false,
 			'labels'            => array(
-				'name'          => _x( 'Format', 'post format' ),
+				'name'          => _x( 'Formats', 'post format' ),
 				'singular_name' => _x( 'Format', 'post format' ),
 			),
 			'query_var'         => true,