diff -r 311fcc5a65f6 -r 223d55086d7c mercurial/debugcommands.py
--- a/mercurial/debugcommands.py	Sat May 28 22:08:13 2022 +0200
+++ b/mercurial/debugcommands.py	Sun May 29 12:25:24 2022 +0200
@@ -2806,7 +2806,7 @@
     [(b'r', b'rev', b'', _(b'revision to debug'), _(b'REV'))],
     _(b'[-r REV]'),
 )
-def debugp1copies(ui, repo, **opts):
+def debugp2copies(ui, repo, **opts):
     """dump copy information compared to p2"""
 
     opts = pycompat.byteskwargs(opts)