doc reorder mr, stream to stream, mr

[karthikeyann]

Doc reorder mr, stream to stream, mr

[codecov]

Codecov Report

Merging #9308 (94c1111) into branch-21.12 (ab4bfaa) will decrease coverage by 0.00%.
The diff coverage is 2.54%.

❗ Current head 94c1111 differs from pull request most recent head da251ec. Consider uploading reports for the commit da251ec to get more accurate results

@@               Coverage Diff                @@
##           branch-21.12    #9308      +/-   ##
================================================
- Coverage         10.79%   10.78%   -0.01%     
================================================
  Files               116      116              
  Lines             18869    19387     +518     
================================================
+ Hits               2036     2090      +54     
- Misses            16833    17297     +464     

Impacted Files	Coverage Δ
python/cudf/cudf/core/_base_index.py	0.00% <0.00%> (ø)
python/cudf/cudf/core/column/datetime.py	0.00% <0.00%> (ø)
python/cudf/cudf/core/dataframe.py	0.00% <0.00%> (ø)
python/cudf/cudf/core/frame.py	0.00% <0.00%> (ø)
python/cudf/cudf/core/index.py	0.00% <0.00%> (ø)
python/cudf/cudf/core/join/_join_helpers.py	0.00% <ø> (ø)
python/cudf/cudf/core/multiindex.py	0.00% <0.00%> (ø)
python/cudf/cudf/core/series.py	0.00% <0.00%> (ø)
python/cudf/cudf/core/tools/datetimes.py	0.00% <0.00%> (ø)
python/cudf/cudf/core/udf/api.py	0.00% <0.00%> (ø)
... and 66 more

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[mythrocks]

:+1
Some minor suggestions to document some peripheral function parameters.

[karthikeyann]

@gpucibot merge