diff --git a/includes/ExtractFormatter.php b/includes/ExtractFormatter.php
index 28fccd1..2612573 100644
--- a/includes/ExtractFormatter.php
+++ b/includes/ExtractFormatter.php
@@ -12,8 +12,8 @@ use Wikimedia\Parsoid\Utils\DOMCompat;
  * @license GPL-2.0-or-later
  */
 class ExtractFormatter extends HtmlFormatter {
-	public const SECTION_MARKER_START = "<|startofsecion|>";
-	public const SECTION_MARKER_END = "<|endofsection|>";
+	public const SECTION_MARKER_START = "\1\2";
+	public const SECTION_MARKER_END = "\2\1";
 
 	/**
 	 * @var bool