fix doc

[EvanLjp]

Please answer these questions before submitting a pull request

• Why submit this pull request?
  fix doc

[kezhenxu94]

For existing config names, we prefer to keep it as is for compatibility, your changes are breakages

[EvanLjp]

the config name is submited by me recently. And 8.2.0 has not been released, i think i can fix it

[codecov]

Codecov Report

Merging #5432 into master will increase coverage by 0.06%.
The diff coverage is 0.00%.

@@             Coverage Diff              @@
##             master    #5432      +/-   ##
============================================
+ Coverage     52.25%   52.31%   +0.06%     
- Complexity     3301     3312      +11     
============================================
  Files          1567     1567              
  Lines         33609    33603       -6     
  Branches       3654     3658       +4     
============================================
+ Hits          17561    17581      +20     
+ Misses        15215    15188      -27     
- Partials        833      834       +1     

Impacted Files	Coverage Δ	Complexity Δ
...gin/spring/annotations/SpringAnnotationConfig.java	0.00% <0.00%> (ø)	0.00 <0.00> (ø)
...r/cluster/plugin/standalone/StandaloneManager.java	77.77% <0.00%> (-22.23%)	3.00% <0.00%> (-1.00%)
...core/analysis/manual/instance/InstanceTraffic.java	56.00% <0.00%> (-4.00%)	7.00% <0.00%> (ø%)
...ng/oap/server/core/alarm/provider/RunningRule.java	56.95% <0.00%> (-0.45%)	11.00% <0.00%> (ø%)
...apache/skywalking/apm/agent/core/util/IOUtils.java	0.00% <0.00%> (ø)	0.00% <0.00%> (ø%)
...ache/skywalking/apm/agent/core/util/FileUtils.java	0.00% <0.00%> (ø)	0.00% <0.00%> (ø%)
...apm/agent/core/context/RuntimeContextSnapshot.java	0.00% <0.00%> (ø)	0.00% <0.00%> (ø%)
...m/agent/core/conf/RuntimeContextConfiguration.java	0.00% <0.00%> (ø)	0.00% <0.00%> (ø%)
...meter/function/AvgHistogramPercentileFunction.java	62.50% <0.00%> (+0.73%)	21.00% <0.00%> (+1.00%)
...csearch/query/ProfileThreadSnapshotQueryEsDAO.java	94.18% <0.00%> (+2.32%)	11.00% <0.00%> (+2.00%)
... and 6 more

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[wu-sheng]

I submitted a rerun.