Clarify settings for PKI and Basic authentication provider (#83491) (#83500)

jportner · web-flow · commit ec959954eec7 · 2020-11-16T17:31:01.000-05:00
diff --git a/docs/user/security/authentication/index.asciidoc b/docs/user/security/authentication/index.asciidoc
@@ -108,6 +108,7 @@ You can also configure both PKI and basic authentication for the same {kib} inst
 
 [source,yaml]
 --------------------------------------------------------------------------------
+server.ssl.clientAuthentication: optional
 xpack.security.authc.providers:
   pki.pki1:
     order: 0
