Index: src/wp-admin/includes/class-wp-media-list-table.php
===================================================================
--- src/wp-admin/includes/class-wp-media-list-table.php	(revision 33616)
+++ src/wp-admin/includes/class-wp-media-list-table.php	(working copy)
@@ -447,8 +447,8 @@
 					<?php echo $title ?></a><?php
 			} else {
 				echo $title;
-			} ?></strong>,
-			<?php echo get_the_time( __( 'Y/m/d' ) ); ?><br />
+			} ?></strong><br />
+			<?php echo get_the_time( __( 'Y/m/d' ), $parent ); ?><br />
 			<?php
 			if ( $user_can_edit ):
 				$detach_url = add_query_arg( array(