Update cluster.yml
diff --git a/keystone/server/cluster.yml b/keystone/server/cluster.yml
index 34d7338..cbe89ca 100644
--- a/keystone/server/cluster.yml
+++ b/keystone/server/cluster.yml
@@ -5,7 +5,7 @@
 - system.haproxy.proxy.listen.openstack.keystone.standalone
 parameters:
   _param:
-    keystone_token_expire: 3600
+    keystone_tokens_expiration: 3600
   linux:
     system:
       package:
@@ -37,7 +37,7 @@
         user: keystone
       tokens:
         engine: fernet
-        expiration: ${_param:keystone_token_expire}
+        expiration: ${_param:keystone_tokens_expiration}
         max_active_keys: 3
         location: /var/lib/keystone/fernet-keys
       credential: