diff -r e2836d08c88c -r bf11ff22a9af mercurial/configitems.py
--- a/mercurial/configitems.py	Mon Nov 01 14:59:07 2021 -0400
+++ b/mercurial/configitems.py	Wed Oct 20 00:57:02 2021 +0200
@@ -1306,7 +1306,7 @@
     # Enable this dirstate format *when creating a new repository*.
     # Which format to use for existing repos is controlled by .hg/requires
     b'format',
-    b'exp-dirstate-v2',
+    b'exp-rc-dirstate-v2',
     default=False,
     experimental=True,
 )
@@ -1880,7 +1880,7 @@
     default=b'skip',
     experimental=True,
 )
-# experimental as long as format.exp-dirstate-v2 is.
+# experimental as long as format.exp-rc-dirstate-v2 is.
 coreconfigitem(
     b'storage',
     b'dirstate-v2.slow-path',