diff --git a/apps/emqx_connector/i18n/emqx_connector_mqtt_schema.conf b/apps/emqx_connector/i18n/emqx_connector_mqtt_schema.conf
index 35ac1535f..7690596e7 100644
--- a/apps/emqx_connector/i18n/emqx_connector_mqtt_schema.conf
+++ b/apps/emqx_connector/i18n/emqx_connector_mqtt_schema.conf
@@ -47,7 +47,7 @@ MQTT 桥的模式。 可用的类型有“cluster_singleton”，“cluster_shar
         desc {
             en: """
 If enable bridge mode.
-NOTE: This setting is only for MQTT protocol version < 5.0, and the remote MQTT
+NOTE: This setting is only for MQTT protocol version older than 5.0, and the remote MQTT
 broker MUST support this feature.
     """
             zh: """