doc: add SSL configuration section reference

Reported-by: Steve Atkins
Discussion: https://postgr.es/m/B82E80DD-1452-4175-B19C-564FE46705BA@blighty.com

Backpatch-through: 11

diff --git a/doc/src/sgml/client-auth.sgml b/doc/src/sgml/client-auth.sgml
index a72f80f03304476aea2cd04527c4f317407453b4..82bfd25fd1041ff828c6eaa8ab99da8cba07f878 100644 (file)
--- a/doc/src/sgml/client-auth.sgml
+++ b/doc/src/sgml/client-auth.sgml
@@ -2165,7 +2165,8 @@ host ... radius radiusservers="server1,server2" radiussecrets="""secret one"",""
 
    
     This authentication method uses SSL client certificates to perform
-    authentication. It is therefore only available for SSL connections.
+    authentication. It is therefore only available for SSL connections;
+    see  for SSL configuration instructions.
     When using this authentication method, the server will require that
     the client provide a valid, trusted certificate.  No password prompt
     will be sent to the client.  The cn (Common Name)