diff --git a/rel/i18n/emqx_bridge_api.hocon b/rel/i18n/emqx_bridge_api.hocon
index 3567f03cc..d29da2949 100644
--- a/rel/i18n/emqx_bridge_api.hocon
+++ b/rel/i18n/emqx_bridge_api.hocon
@@ -95,6 +95,6 @@ desc_param_path_operation_on_node.desc:
 """Operations can be one of: stop, restart"""
 
 desc_param_path_operation_on_node.label:
-"""Node Operation """
+"""Node Operation"""
 
 }
diff --git a/rel/i18n/emqx_bridge_v2_api.hocon b/rel/i18n/emqx_bridge_v2_api.hocon
index 23a75712a..773b4e20f 100644
--- a/rel/i18n/emqx_bridge_v2_api.hocon
+++ b/rel/i18n/emqx_bridge_v2_api.hocon
@@ -106,6 +106,6 @@ desc_param_path_operation_on_node.desc:
 """Operation can be one of: 'start'."""
 
 desc_param_path_operation_on_node.label:
-"""Node Operation """
+"""Node Operation"""
 
 }
diff --git a/rel/i18n/emqx_connector_api.hocon b/rel/i18n/emqx_connector_api.hocon
index b4d9c25bc..4185c4df9 100644
--- a/rel/i18n/emqx_connector_api.hocon
+++ b/rel/i18n/emqx_connector_api.hocon
@@ -94,6 +94,6 @@ desc_param_path_operation_on_node.desc:
 """Operation can be one of: 'start'."""
 
 desc_param_path_operation_on_node.label:
-"""Node Operation """
+"""Node Operation"""
 
 }