diff --git a/lib-ee/emqx_ee_bridge/i18n/emqx_ee_bridge_gcp_pubsub.conf b/lib-ee/emqx_ee_bridge/i18n/emqx_ee_bridge_gcp_pubsub.conf
index 3b3fccaf2..9e85e2a18 100644
--- a/lib-ee/emqx_ee_bridge/i18n/emqx_ee_bridge_gcp_pubsub.conf
+++ b/lib-ee/emqx_ee_bridge/i18n/emqx_ee_bridge_gcp_pubsub.conf
@@ -110,12 +110,19 @@ emqx_ee_bridge_gcp_pubsub {
 
     service_account_json {
         desc {
-          en: "JSON containing the GCP Service Account credentials to be used with PubSub."
-          zh: "包含将与 PubSub 一起使用的 GCP 服务账户凭证的 JSON。"
+          en: "JSON containing the GCP Service Account credentials to be used with PubSub.\n"
+              "When a GCP Service Account is created "
+              "(as described in https://developers.google.com/identity/protocols/oauth2/service-account#creatinganaccount), "
+              "you have the option of downloading the credentials in JSON form.  That's the "
+              "file needed."
+          zh: "包含将与 PubSub 一起使用的 GCP 服务账户凭证的 JSON。\n"
+              "当创建GCP服务账户时"
+              "（如https://developers.google.com/identity/protocols/oauth2/service-account#creatinganaccount），"
+              "你可以选择下载JSON形式的凭证。 这就是需要的文件。"
         }
         label: {
-              en: "GCP Service Account JSON"
-              zh: "GCP 服务账户 JSON"
+              en: "GCP Service Account Credentials"
+              zh: "GCP 服务账户凭证"
             }
     }