[rocketmq] branch develop updated: [ISSUE #3692] docs: Modify the title content about the message query documentation. (#3693)

[vongosling]

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The following commit(s) were added to refs/heads/develop by this push:
     new 3f4329c  [ISSUE #3692] docs: Modify the title content about the 
message query documentation. (#3693)
3f4329c is described below

commit 3f4329ce7fbec8b2c4530043bc6ce1d67e0f3a17
Author: 彭小漪 <644120...@qq.com>
AuthorDate: Thu Jan 6 09:14:40 2022 +0800

    [ISSUE #3692] docs: Modify the title content about the message query 
documentation. (#3693)
---
 docs/en/Design_Query.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/en/Design_Query.md b/docs/en/Design_Query.md
index 6988948..983d48d 100644
--- a/docs/en/Design_Query.md
+++ b/docs/en/Design_Query.md
@@ -5,7 +5,7 @@ RocketMQ supports message queries by two dimensions, which are 
"Query Message by
 ## 1. Query Message by Message Id
 The MessageId in RocketMQ has a total length of 16 bytes, including the broker 
address (IP address and port) and CommitLog offset. In RocketMQ, the specific 
approach is that the Client resolves the Broker's address (IP address and port) 
and the CommitLog's offset address from the MessageId. Then both of them are 
encapsulated into an RPC request, and finally it will be sent through the 
communication layer (business request code: VIEW_MESSAGE_BY_ID). The Broker 
reads a message by using the [...]
 
-## 2. Query Message by Message Id
+## 2. Query Message by Message Key
 "Query Messages by Message Key" is mainly based on RocketMQ's IndexFile. The 
logical structure of the IndexFile is similar to the implementation of HashMap 
in JDK. The specific structure of the IndexFile is as follows:
 
 ![](images/rocketmq_design_message_query.png)