diff --git a/README.md b/README.md
index cc2e390774178b696d9d1300e1ecce8c49d44dba..63ef43fb031f7fc8eecbd979d92aa6413df96620 100644
--- a/README.md
+++ b/README.md
@@ -108,7 +108,7 @@ default from */etc/keystore/dovecot.yml*:
   * `url`: URL for the keystore service
   * `sharded`: if true, requests to the keystore service will be
     partitioned according to the user's *shard* attribute
-  * `tls_config`: client TLS configuration
+  * `tls`: client TLS configuration
     * `cert`: path to the client certificate
     * `key`: path to the private key
     * `ca`: path to the CA used to validate the server