[Doc] Fix typos in README and tutorials notebooks

[gfesatidis]

No description provided.

[riedgar-ms]

Thanks!

[codecov-commenter]

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 61.36%. Comparing base (cf9ecd1) to head (6a2d73e).

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❗ There is a different number of reports uploaded between BASE (cf9ecd1) and HEAD (6a2d73e). Click for more details.

HEAD has 32 uploads less than BASE

Flag	BASE (cf9ecd1)	HEAD (6a2d73e)
	112	80

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1012      +/-   ##
==========================================
- Coverage   70.14%   61.36%   -8.79%     
==========================================
  Files          62       62              
  Lines        4441     4441              
==========================================
- Hits         3115     2725     -390     
- Misses       1326     1716     +390     

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