DOC: Correct typos in zarr-python documentation

[star1327p]

Correct typos in zarr-python documentation

[codecov]

Codecov Report

❌ Patch coverage is 0% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 61.87%. Comparing base (d0c3b7f) to head (d646ab0).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/zarr/registry.py	0.00%	4 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3579   +/-   ##
=======================================
  Coverage   61.87%   61.87%           
=======================================
  Files          85       85           
  Lines       10134    10134           
=======================================
  Hits         6270     6270           
  Misses       3864     3864           

Files with missing lines	Coverage Δ
src/zarr/core/buffer/core.py	30.34% <ø> (ø)
src/zarr/core/buffer/gpu.py	43.37% <ø> (ø)
src/zarr/core/dtype/common.py	27.71% <ø> (ø)
src/zarr/errors.py	9.67% <ø> (ø)
src/zarr/testing/buffer.py	100.00% <ø> (ø)
src/zarr/testing/strategies.py	97.81% <ø> (ø)
src/zarr/registry.py	63.39% <0.00%> (ø)

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[d-v-b]

thank you!