update changelog

Signed-off-by: Gautier Delorme <[email protected]>

changelogs/unreleased/4796-gautierdelorme-minor.md

@@ -1,5 +1,5 @@
 ## Optional Client Certificate Validation
 
-By default, client certificates are required but some applications might support different authentication schemes.
+By default, when client certificate validation is configured, client certificates are required.
 You can now set the `httpproxy.spec.virtualhost.tls.clientValidation.optionalClientCertificate` field to `true`. A client certificate will be requested, but the connection is allowed to continue if the client does not provide one.
 If a client certificate is sent, it will be verified according to the other properties, which includes disabling validations if `httpproxy.spec.virtualhost.tls.clientValidation.skipClientCertValidation` is set.