--- a/mercurial/help/config.txt	Thu Nov 16 15:01:21 2017 -0800
+++ b/mercurial/help/config.txt	Mon Nov 20 01:40:26 2017 -0800
@@ -2188,6 +2188,10 @@
 ``ssh``
     Command to use for SSH connections. (default: ``ssh``)
 
+``ssherrorhint``
+    A hint shown to the user in the case of SSH error (e.g.
+    ``Please see http://company/internalwiki/ssh.html``)
+
 ``strict``
     Require exact command names, instead of allowing unambiguous
     abbreviations. (default: False)