--- a/tests/test-help.t	Mon Aug 09 19:49:57 2021 -0400
+++ b/tests/test-help.t	Tue Jul 27 21:45:27 2021 +0200
@@ -975,6 +975,9 @@
   $ hg help debug
   debug commands (internal and unsupported):
   
+   debug-repair-issue6528
+                 find affected revisions and repair them. See issue6528 for more
+                 details.
    debugancestor
                  find the ancestor revision of two revisions in a given index
    debugantivirusrunning