diff --git a/versioned_docs/version-5.0/03-domainModel/09subscription.md b/versioned_docs/version-5.0/03-domainModel/09subscription.md
index 42e9328aa5..4da8e09c10 100644
--- a/versioned_docs/version-5.0/03-domainModel/09subscription.md
+++ b/versioned_docs/version-5.0/03-domainModel/09subscription.md
@@ -87,8 +87,8 @@ Apache RocketMQ 是按照消费者分组粒度管理订阅关系，因此，同
   //Consumer c1
   Consumer c1 = ConsumerBuilder.build(groupA);
   c1.subscribe(topicA,"TagA");
-  //Consumer c2Consumer 
-  c2 = ConsumerBuilder.build(groupA);
+  //Consumer c2
+  Consumer c2 = ConsumerBuilder.build(groupA);
   c2.subscribe(topicA,"TagB");
   ```