diff --git a/src/wp-admin/update-core.php b/src/wp-admin/update-core.php
index 9bff4c0ea5..135cb596c7 100644
--- a/src/wp-admin/update-core.php
+++ b/src/wp-admin/update-core.php
@@ -1072,10 +1072,12 @@ if ( 'upgrade-core' === $action ) {
 	$title = __( 'Update Plugins' );
 
 	require_once ABSPATH . 'wp-admin/admin-header.php';
-	echo '<div class="wrap">';
-	echo '<h1>' . __( 'Update Plugins' ) . '</h1>';
-	echo '<iframe src="', $url, '" style="width: 100%; height: 100%; min-height: 750px;" frameborder="0" title="' . esc_attr__( 'Update progress' ) . '"></iframe>';
-	echo '</div>';
+	?>
+	<div class="wrap">
+		<h1><?php _e( 'Update Plugins' ); ?></h1>
+		<iframe src="<?php echo $url; ?>" style="width: 100%; height: 100%; min-height: 750px;" frameborder="0" title="<?php esc_attr_e( 'Update progress' ); ?>"></iframe>
+	</div>
+	<?php
 
 	wp_localize_script(
 		'updates',