diff -r d467e44f71d7 -r e8a576de703f mercurial/help.py
--- a/mercurial/help.py	Fri Oct 01 12:27:17 2021 +0200
+++ b/mercurial/help.py	Fri Oct 01 12:17:09 2021 +0200
@@ -365,6 +365,11 @@
             loaddoc(b'config', subdir=b'internals'),
         ),
         (
+            [b'dirstate-v2'],
+            _(b'dirstate-v2 file format'),
+            loaddoc(b'dirstate-v2', subdir=b'internals'),
+        ),
+        (
             [b'extensions', b'extension'],
             _(b'Extension API'),
             loaddoc(b'extensions', subdir=b'internals'),