diff --git a/mercurial/helptext/config.txt b/mercurial/helptext/config.txt
--- a/mercurial/helptext/config.txt
+++ b/mercurial/helptext/config.txt
@@ -906,7 +906,7 @@
     with the Rust part  might actually suffer some slowdown. For this reason,
     Such version will by default refuse to access such repositories. That
     behavior can be controlled by configuration. Check
-    :hg:`help config.storage.revlog.persistent-nodemap.slowpath` for details.
+    :hg:`help config.storage.revlog.persistent-nodemap.slow-path` for details.
 
     Repository with this on-disk format require Mercurial version 5.4 or above.