From ec33adba3588133889be3094f115bf583b03f245 Mon Sep 17 00:00:00 2001
From: Přemysl Eric Janouch <p@janouch.name>
Date: Tue, 4 Jul 2023 23:49:49 +0200
Subject: Update README.adoc

---
 README.adoc | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/README.adoc b/README.adoc
index b79d4ba..eb777a5 100644
--- a/README.adoc
+++ b/README.adoc
@@ -143,8 +143,9 @@ Client Certificates
 certificate specified by the respective server's `tls_cert` option if you add
 `sasl` to the `capabilities` option and the server supports this.
 
-'xD' uses SHA-256 fingerprints of TLS client certificates to authenticate users.
-To get the fingerprint from a certificate file in the required form, use:
+'xD' and 'xS' use SHA-256 fingerprints of TLS client certificates
+to authenticate users.  To get the fingerprint from a certificate file
+in the required form, use:
 
  $ openssl x509 -in public.pem -outform DER | sha256sum
 
-- 
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