diff --git a/src/wp-admin/upload.php b/src/wp-admin/upload.php
index e7fedc68ad..7154148cdd 100644
--- a/src/wp-admin/upload.php
+++ b/src/wp-admin/upload.php
@@ -264,11 +264,11 @@ if ( ! empty( $_GET['untrashed'] ) && $untrashed = absint( $_GET['untrashed'] )
$_SERVER['REQUEST_URI'] = remove_query_arg(array('untrashed'), $_SERVER['REQUEST_URI']);
}
-$messages[1] = __('Media attachment updated.');
-$messages[2] = __('Media permanently deleted.');
-$messages[3] = __('Error saving media attachment.');
-$messages[4] = __('Media moved to the trash.') . ' ' . __('Undo') . '';
-$messages[5] = __('Media restored from the trash.');
+$messages[1] = __( 'Media attachment updated.' );
+$messages[2] = __( 'Media attachment permanently deleted.' );
+$messages[3] = __( 'Error saving media attachment.' );
+$messages[4] = __( 'Media attachment moved to the trash.' ) . ' ' . __( 'Undo' ) . '';
+$messages[5] = __( 'Media attachment restored from the trash.' );
if ( ! empty( $_GET['message'] ) && isset( $messages[ $_GET['message'] ] ) ) {
$message = $messages[ $_GET['message'] ];