diff --git a/runtime/tutor b/runtime/tutor
index ed4a9fcc7..c341de367 100644
--- a/runtime/tutor
+++ b/runtime/tutor
@@ -1428,6 +1428,28 @@ some_more could be any file or path to open this specific file or path
 instead of a new empty buffer.
 
 
+=================================================================
+=                       CHAPTER 13.3       =
+=================================================================
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 =================================================================
  This tutorial is still a work-in-progress.
  More sections are planned.