From 2aed50e861e55b02e596d39248c285cfdd221aa9 Mon Sep 17 00:00:00 2001
From: Henry75m39 <42402567+Henry75m39@users.noreply.github.com>
Date: Wed, 28 Feb 2024 19:13:55 +0800
Subject: [PATCH] Enhance the instruction about the kafka and gRPC exporters.
 (#11951)

---
 docs/en/setup/backend/exporter.md | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/docs/en/setup/backend/exporter.md b/docs/en/setup/backend/exporter.md
index 87f619053c..2917d09ca8 100644
--- a/docs/en/setup/backend/exporter.md
+++ b/docs/en/setup/backend/exporter.md
@@ -26,9 +26,10 @@ service MetricExportService {
 }
 ```
 
-To activate the exporter, you should set `${SW_EXPORTER_ENABLE_GRPC_METRICS:true}` and config the target gRPC server address.
+To activate the exporter, you should set `${SW_EXPORTER:default}` and `${SW_EXPORTER_ENABLE_GRPC_METRICS:true}`, configure the target gRPC server address.
 ```yaml
 exporter:
+ selector:${SW_EXPORTER:default}
   default:
     # gRPC exporter
     enableGRPCMetrics: ${SW_EXPORTER_ENABLE_GRPC_METRICS:true}
@@ -72,9 +73,10 @@ message SegmentObject {
 }
 ```
 
-To activate the exporter, you should set `${SW_EXPORTER_ENABLE_KAFKA_TRACE:true}` and config the Kafka server.
+To activate the exporter, you should set `${SW_EXPORTER:default}` and `${SW_EXPORTER_ENABLE_KAFKA_TRACE:true}`, configure the Kafka server addresses.
 ```yaml
 exporter:
+  selector:${SW_EXPORTER:default}
   default:
     # Kafka exporter
     enableKafkaTrace: ${SW_EXPORTER_ENABLE_KAFKA_TRACE:true}
@@ -111,9 +113,10 @@ message LogData {
 }
 ```
 
-To activate the exporter, you should set `${SW_EXPORTER_ENABLE_KAFKA_LOG:true}` and config the Kafka server.
+To activate the exporter, you should set `${SW_EXPORTER:default}` and `${SW_EXPORTER_ENABLE_KAFKA_LOG:true}`, configure the Kafka server addresses.
 ```yaml
 exporter:
+  selector:${SW_EXPORTER:default}
   default:
     # Kafka exporter
     enableKafkaLog: ${SW_EXPORTER_ENABLE_KAFKA_LOG:true}