diff -r 67b210bb5ce2 -r 4f04bb0d8deb mercurial/helptext/config.txt
--- a/mercurial/helptext/config.txt	Tue Jun 14 15:22:05 2022 +0200
+++ b/mercurial/helptext/config.txt	Tue Jun 14 19:40:35 2022 +0200
@@ -2179,6 +2179,9 @@
     Check :hg:`help config.format.use-share-safe` for details about the
     share-safe feature.
 
+``safe-mismatch.source-safe:verbose-upgrade``
+    Display a message when upgrading, (default: True)
+
 ``safe-mismatch.source-safe.warn``
     Shows a warning on operations if the shared repository does not use
     share-safe, but the source repository does.
@@ -2204,6 +2207,9 @@
     Check :hg:`help config.format.use-share-safe` for details about the
     share-safe feature.
 
+``safe-mismatch.source-not-safe:verbose-upgrade``
+    Display a message when upgrading, (default: True)
+
 ``safe-mismatch.source-not-safe.warn``
     Shows a warning on operations if the shared repository uses share-safe,
     but the source repository does not.