[Bug] doris version 0.15.0 help broker load command demo bug

[Cherry-Puppy]

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• I had searched in the issues and found no similar issues.

Version

version 0.15.0

What's Wrong?

doris version 0.15.0 ：help broker load;
18. LOAD WITH HDFS, 带ha的HDFS集群
LOAD LABEL example_db.label_filter
(
DATA INFILE("hdfs://host:port/user/data/*/test.txt")
INTO TABLE tbl1
COLUMNS TERMINATED BY ","
(k1,k2,v1,v2)
)
with HDFS (
"fs.defaultFS"="hdfs://testFs",
"hdfs_user"="user"
"dfs.nameservices"="my_ha",
"dfs.ha.namenodes.xxx"="my_nn1,my_nn2",
"dfs.namenode.rpc-address.xxx.my_nn1"="host1:port",
"dfs.namenode.rpc-address.xxx.my_nn2"="host2:port",
"dfs.client.failover.proxy.provider.xxx"="org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider"
);
grammar problems！！！

What You Expected?

should be changed to
LOAD LABEL example_db.label_filter
(
DATA INFILE("hdfs://my_ha/user/data/*/test.txt")
INTO TABLE tbl1
COLUMNS TERMINATED BY ","
(k1,k2,v1,v2)
)
with HDFS (
"fs.defaultFS"="hdfs://testFs",
"usename"="user",
"password"="",
"dfs.nameservices"="my_ha",
"dfs.ha.namenodes.xxx"="my_nn1,my_nn2",
"dfs.namenode.rpc-address.xxx.my_nn1"="host1:port",
"dfs.namenode.rpc-address.xxx.my_nn2"="host2:port",
"dfs.client.failover.proxy.provider.xxx"="org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider"
);

How to Reproduce?

No response

Anything Else?

there is none left。

Are you willing to submit PR?

• Yes I am willing to submit a PR!

Code of Conduct

• I agree to follow this project's Code of Conduct

[dataalive]

the latest doc has fixed the comma that left on 'hdfs_user'

but change hdfs_user to username is not correct.

with broker we use username and password
with hdfs we use hdfs_user