tokers commented on a change in pull request #4515:
URL: https://github.com/apache/apisix/pull/4515#discussion_r662700108
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File path: docs/zh/latest/plugins/limit-conn.md
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@@ -35,6 +35,9 @@ title: limit-conn
**注：key 是可以被用户自定义的，只需要修改插件的一行代码即可完成。并没有在插件中放开是处于安全的考虑。**
+: when used in the stream proxy, only `remote_addr` and `server_addr` can be
used as `key`. And `rejected_code` is meaningless.
Review comment:
What is the meaning of the leading colon symbol?
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