diff --git a/apps/emqx_bridge_mqtt/src/emqx_bridge_mqtt_connector_schema.erl b/apps/emqx_bridge_mqtt/src/emqx_bridge_mqtt_connector_schema.erl
index ba4373313..83be577f4 100644
--- a/apps/emqx_bridge_mqtt/src/emqx_bridge_mqtt_connector_schema.erl
+++ b/apps/emqx_bridge_mqtt/src/emqx_bridge_mqtt_connector_schema.erl
@@ -338,6 +338,8 @@ egress_pool_size(Prop) ->
 
 desc("server_configs") ->
     ?DESC("server_configs");
+desc("config_connector") ->
+    ?DESC("config_connector");
 desc("ingress") ->
     ?DESC("ingress_desc");
 desc("ingress_remote") ->
@@ -350,6 +352,8 @@ desc("egress_remote") ->
     ?DESC("egress_remote");
 desc("egress_local") ->
     ?DESC("egress_local");
+desc(resource_opts) ->
+    ?DESC(emqx_resource_schema, <<"resource_opts">>);
 desc(_) ->
     undefined.
 
diff --git a/apps/emqx_bridge_mqtt/src/emqx_bridge_mqtt_pubsub_schema.erl b/apps/emqx_bridge_mqtt/src/emqx_bridge_mqtt_pubsub_schema.erl
index 2cc13daaf..6d075334a 100644
--- a/apps/emqx_bridge_mqtt/src/emqx_bridge_mqtt_pubsub_schema.erl
+++ b/apps/emqx_bridge_mqtt/src/emqx_bridge_mqtt_pubsub_schema.erl
@@ -107,6 +107,10 @@ desc("config") ->
     ?DESC("desc_config");
 desc(action_resource_opts) ->
     ?DESC(emqx_resource_schema, "creation_opts");
+desc(action_parameters) ->
+    ?DESC(action_parameters);
+desc(ingress_parameters) ->
+    ?DESC(ingress_parameters);
 desc(Method) when Method =:= "get"; Method =:= "put"; Method =:= "post" ->
     ["Configuration for WebHook using `", string:to_upper(Method), "` method."];
 desc("config_connector") ->
@@ -115,6 +119,10 @@ desc("http_action") ->
     ?DESC("desc_config");
 desc("parameters_opts") ->
     ?DESC("config_parameters_opts");
+desc("mqtt_publisher_action") ->
+    ?DESC("mqtt_publisher_action");
+desc("mqtt_subscriber_source") ->
+    ?DESC("mqtt_subscriber_source");
 desc(_) ->
     undefined.
 
diff --git a/rel/i18n/emqx_bridge_mqtt_connector_schema.hocon b/rel/i18n/emqx_bridge_mqtt_connector_schema.hocon
index 7c7bf68c9..25bb8aad2 100644
--- a/rel/i18n/emqx_bridge_mqtt_connector_schema.hocon
+++ b/rel/i18n/emqx_bridge_mqtt_connector_schema.hocon
@@ -194,4 +194,9 @@ username.desc:
 username.label:
 """Username"""
 
+config_connector.desc:
+"""Configurations for an MQTT connector."""
+config_connector.label:
+"""MQTT connector"""
+
 }
diff --git a/rel/i18n/emqx_bridge_mqtt_pubsub_schema.hocon b/rel/i18n/emqx_bridge_mqtt_pubsub_schema.hocon
new file mode 100644
index 000000000..637189781
--- /dev/null
+++ b/rel/i18n/emqx_bridge_mqtt_pubsub_schema.hocon
@@ -0,0 +1,22 @@
+emqx_bridge_mqtt_pubsub_schema {
+  action_parameters.desc:
+  """Action specific configs."""
+  action_parameters.label:
+  """Action"""
+
+  ingress_parameters.desc:
+  """Source specific configs."""
+  ingress_parameters.label:
+  """Source"""
+
+  mqtt_publisher_action.desc:
+  """Action configs."""
+  mqtt_publisher_action.label:
+  """Action"""
+
+  mqtt_subscriber_source.desc:
+  """Source configs."""
+  mqtt_subscriber_source.label:
+  """Source"""
+
+}
diff --git a/rel/i18n/emqx_bridge_v2_schema.hocon b/rel/i18n/emqx_bridge_v2_schema.hocon
index 69f8a9109..3a4bf6140 100644
--- a/rel/i18n/emqx_bridge_v2_schema.hocon
+++ b/rel/i18n/emqx_bridge_v2_schema.hocon
@@ -1,10 +1,16 @@
 emqx_bridge_v2_schema {
 
 desc_bridges_v2.desc:
-"""Configuration for bridges."""
+"""Configuration for actions."""
 
 desc_bridges_v2.label:
-"""Bridge Configuration"""
+"""Action Configuration"""
+
+desc_sources.desc:
+"""Configuration for sources."""
+
+desc_sources.label:
+"""Source Configuration"""
 
 mqtt_topic.desc:
 """MQTT topic or topic filter as data source (action input).  If rule action is used as data source, this config should be left empty, otherwise messages will be duplicated in the remote system."""