Cherry pick csv writer doc example mistype to active_release

[alamb]

Automatic cherry-pick of d5a4bd7

• Originally appeared in csv writer doc example mistype #904: csv writer doc example mistype

[codecov-commenter]

Codecov Report

Merging #918 (9124c8f) into active_release (03d95e6) will decrease coverage by 0.14%.
The diff coverage is n/a.

❗ Current head 9124c8f differs from pull request most recent head a327c19. Consider uploading reports for the commit a327c19 to get more accurate results

@@                Coverage Diff                 @@
##           active_release     #918      +/-   ##
==================================================
- Coverage           82.45%   82.31%   -0.15%     
==================================================
  Files                 168      168              
  Lines               48175    48091      -84     
==================================================
- Hits                39725    39586     -139     
- Misses               8450     8505      +55     

Impacted Files	Coverage Δ
arrow/src/csv/writer.rs	82.05% <ø> (-0.37%)	⬇️
arrow/src/array/transform/fixed_binary.rs	75.00% <0.00%> (-3.95%)	⬇️
parquet/src/schema/visitor.rs	67.10% <0.00%> (-2.64%)	⬇️
arrow/src/compute/kernels/cast_utils.rs	87.50% <0.00%> (-2.50%)	⬇️
parquet/src/encodings/decoding.rs	90.45% <0.00%> (-2.02%)	⬇️
arrow/src/datatypes/ffi.rs	70.85% <0.00%> (-2.02%)	⬇️
parquet/src/arrow/arrow_reader.rs	89.32% <0.00%> (-1.95%)	⬇️
arrow/src/ffi.rs	84.69% <0.00%> (-1.89%)	⬇️
arrow/src/csv/reader.rs	90.00% <0.00%> (-1.78%)	⬇️
arrow/src/util/data_gen.rs	75.44% <0.00%> (-1.66%)	⬇️
... and 70 more

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